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Longman Dictionary of Contemporary English
rational
adjective
COLLOCATIONS FROM OTHER ENTRIES
a logical/rational explanation (=one that is based on facts)
▪ Physics finally gave us a rational explanation for the atom’s strange behaviour.
intelligent/conscious/rational etc being
▪ a story about alien beings who invade Earth
COLLOCATIONS FROM CORPUS
■ ADVERB
as
▪ Conventional histories of penology tend to represent these developments in penal thought and practice as rational, progressive, scientific and humane.
▪ The play is more an act of self-immolation masquerading as rational justification.
▪ Statement E: Racism as rational self interest I think that's absolute nonsense.
▪ The decision was as rational a move as every other move in Jackie's career.
more
▪ It was often more rational for the cattle owner to accept the loss, or to take a different course of action.
▪ It pays lip service to local choices but provides no specific means to make them more rational and efficient.
▪ Now would be the time to put the debate on a more rational and realistic basis.
▪ Elsewhere, the arguments may seem more rational but are equally zealous.
▪ It is more prudent, more rational and more natural to use organic materials - manures.
▪ She had a more rational thought.
▪ But I was thinking that the white man's beliefs are no more rational than the red man's.
▪ In many ways the underworld of heterosexuality seems no more rational than the free-for-all of homosexual life.
most
▪ The words people use are too often interpreted literally to signify little more than their immediate and most rational translation.
▪ The most rational therapy in these conditions is calcium supplementation and vitamin D replacement.
▪ Hardly the moment when a man is at his most rational.
perfectly
▪ He was still perfectly rational if you analysed his thought-processes.
▪ It is perfectly rational for individual banks to want to foreclose early on companies having trouble repaying their loans.
▪ But they are perfectly rational to the people who were interviewed and to their families.
▪ At the time he was perfectly rational - he didn't feel schizoid - he was playing a part.
■ NOUN
agent
▪ Because of this Barro treats as the best prediction that could be made by rational agents of the value of.
▪ What will the rational agent do?
▪ In it we know ourselves to be rational agents detached from spontaneity, judging on objective grounds what will serve our ends.
▪ There is a second condition required for a rational agent to be indifferent between equal forward and expected future spot rates.
▪ Could I in fact have chosen in a manner more worthy of my dignity as a rational agent?
▪ The rational agent is a bargain-hunter.
▪ Human beings are not rational agents.
▪ But how do rational agents put themselves in a position of being able to anticipate changes in the money stock?
analysis
▪ It is important not to read Quinn as calling for the destruction of formal corporate planning or rational analysis.
▪ There is also the fact that in our culture romantic love eludes both rational analysis and individual control.
▪ To depart substantially from them invites question unless it can be demonstrated that such departure conforms to accepted practice by rational analysis.
▪ Indeed, some stakeholders may take action to prevent a rational analysis of their stance or at least any debate over it.
▪ Power relationships affect outcomes, but so does rational analysis.
▪ Of course, once our schemas are shaken, we may well resort, at least inpart, to rational analysis to reformulate them.
▪ Finally, our belief systems are not stored in our minds as a complete rational analysis.
▪ Butin order to arrive at a balanced judgment, a more rational analysis of the factors involved is required.
approach
▪ Survivors of sudden cardiac death: a rational approach to evaluation and therapy of patients surviving ventricular fibrillation.
▪ The third and final key element in a rational approach concerns the time-scale of the budget.
▪ However, despite early adoption there have been considerable doubts as to the effectiveness of such rational approaches.
▪ Despite these criticisms, recent approaches to decision making have sought to pursue the rational approach.
▪ Adhoc arrangements of this nature are far from a rational approach towards planning an appropriate budget.
▪ However, it is difficult to say that it is a rational approach.
▪ Political approaches Because of the criticisms of rational approaches discussed above, political budgetary approaches show a remarkable capacity to persist.
▪ The formula framework promises a rational approach but, in fact, the contrary may be the case.
argument
▪ Its conclusions repeated a long-standing cry: Social vision and a collective determination was added to the rational argument of Barlow.
▪ Logical deals are killed, rational arguments are shouted down, ambitious engineers are demoralized.
▪ Nuclear weapons are so inherently absurd that rational argument about their use is scarcely possible.
▪ I'd never set much store by rational argument where Karen was concerned.
▪ The banning of the ordeal symbolized a triumph for rational argument over the old magical formulas.
▪ He told himself that it was late, the end of a busy day, the worst possible time for rational argument.
▪ Often the interaction between interest groups has consisted largely of assertion not fully supported by objective data or rational argument.
▪ The faithful went on believing despite all rational argument.
basis
▪ Within those areas covered by the rational basis part of the test there would be greater certainty.
▪ Authority is rarely delegated on a rational basis.
▪ A criterion of reasonableness or rational basis is obviously a narrower standard of review.
▪ That commitment can waver or disappear if the arguments of the philosopher or the historian appear to destroy its rational basis.
▪ Business planning also provides a rational basis for measuring performance and helps managers to work as a team.
▪ Not withstanding this, any regulatory policy should have a rational basis.
▪ But it is hardly a rational basis for a business decision.
▪ It would however be misleading to say that the United States courts have always utilised the rational basis test.
being
▪ In turn, this presupposes treating the other as a person, as, at least partly, a rational being.
▪ It is the specification of those basic intrinsic values that all rational beings would desire.
▪ So indeterminism is a necessary condition of the later development of morally important freedom in rational beings.
▪ I am not convinced that the principle of natural selection alone makes the emergence of rational beings probable.
choice
▪ Economics assumes that consumers are perfectly knowledgeable and make rational choices.
▪ Meader found that by any standard, even if one disagrees with their decisions, voters exercised informed judgment and rational choices.
▪ Economically this is still a rational choice.
▪ Politics is a matter of gambles, not a domain of rational choice.
▪ Nor are subjective meanings or rational choices independent of public social rules for doing the right or rational thing.
▪ The project explores the foundations of rational choice theory, probing the limitations of this theory and developing new approaches.
▪ Or, conversely, do alleged causes finally need to make sense in a system of rules and rational choices?
▪ In their portrayal, delinquency is seen as a natural and rational choice for residents of these areas.
decision
▪ What this discussion reveals is the difficulty that the consumer faces in making a rational decision when it comes to sport.
▪ It was a very sensible, rational decision at the time.
▪ The purpose of evaluation is to collect and analyse information that can be used for rational decision making.
▪ Of course, making a rational decision about when to have children is asking a great deal of lovers.
▪ What would a rational decision to live in Bali be like, if this is not one?
▪ If it has been a long hot summer, I become too weak to make rational decisions, to change channels.
▪ They are all angry, they are desolate, but they have made a rational decision not to be bitter.
discussion
▪ But a rational discussion with the young Pardy was not something easily achieved.
▪ These are ideas that replicate because of psychological needs, not because of rational discussions.
▪ A more rational discussion could do much to change public opinion.
expectations
▪ It was this criticism of the adaptive expectations hypothesis that led to the development of the rational expectations hypothesis.
▪ The aggregate supply curve slope can be explained along rational expectations lines due to misperceptions of prices.
▪ The restrictions generated by rational expectations models are very often non-linear and are also imposed across equations rather than in a single equation.
▪ Possession of such direct observations on expectations would allow us to test the validity of the rational expectations hypothesis in two ways.
▪ This is where the theory of rational expectations emerges once again.
▪ The market efficiency hypothesis states that the market behaves as if traders possessed rational expectations.
▪ Therefore the rational expectations hypothesis suggests a valid method of incorporating additional information when estimating macroeconomic models which contain expectation terms.
explanation
▪ Only now have scientists begun to offer rational explanations for this phenomenon.
▪ Through their various plights, the drama questions a world where feminine ideals regularly defy rational explanation.
▪ This is the mystery of sin which has no rational explanation, for it is ultimately and radically inexplicable.
▪ Either way, there has to be some rational explanation of Clinton's conduct.
▪ There was a rational explanation for all this and, when Carol arrived, he'd discover what it was.
▪ I told myself that there must be some simple, rational explanation, something Illingworth had overlooked.
▪ In any case, Amiss's mind was racing, grappling with a situation devoid of any rational explanation.
▪ Some constructs may reflect pre-verbal bases of organization which can not be accounted for by rational explanation.
man
▪ All such considerations pointed rational men to peace.
▪ Culture was where rational men were free to think and to act and to play public roles.
▪ It is now time to call attention to an incongruity in the conception of the rational man from which this chapter started.
▪ He was a rational man and a police officer, but No. 22 seemed obstinately to be producing its own evidence.
mind
▪ Taking care to avoid certain members of his household ... So the rational mind lays its rational plans.
▪ They need to provide the factual knowledge and the reasoning skills that a rational mind requires.
▪ She has a very logical, rational mind when it comes to a problem.
model
▪ Planning and the rational model fell into disrepute in the mid to late 1970s for a number of reasons.
▪ As we indicated above, the rational model may generate untried solutions.
▪ As we saw above, there are limitations with the rational model as a method of solving problems.
▪ Second, political objectives can not be as clearly specified as the scientific or rational model seems to demand.
▪ The practical critics of scientific management Point to the impossibility of meeting the strict demands of the rational model of decision-making.
▪ Even the apparently rational model of planning on page 42 is, nevertheless, subject to political pressures.
person
▪ Exactly how a rational person will solve it we shall show later on.
▪ Nevertheless, this holiday buying season still offers more new classical titles than any rational person could wish for.
▪ With every actor reasoning in the same way, however, no narrowly rational person will participate.
▪ Nor had she wanted stepmother status any more than any rational person might.
▪ The mental stance the rational person seeks to organize in this way includes both beliefs and attitudes.
▪ Is there a way to restructure the traditional feminine economy so that an economically rational person could choose the caretaking roles?
▪ The rational person cares about truth and is disposed to seek it.
▪ What is needed to counter it is the simple reflection that there are some things that every rational person desires and values.
planning
▪ Doubts about the importance of formal rational planning in organizations grew during the 1970s and 1980s.
▪ A moderate reform of capitalism could, it was argued, be effected through a rational planning programme.
▪ Any system of rational planning must take account of, and answer, two questions.
response
▪ If so, the only rational response is plain disbelief.
▪ One fragment of her mind reeled in shock but a rational response formed even as the connection spun its thread: Of course.
thought
▪ One of the strands of that concept is that even rational thought may not be just what it seems on the surface.
▪ Many people insist that most of their political knowledge is based on their own rational thought processes.
▪ We are capable of rational thought and of bringing change.
▪ Even rational thought will not necessarily enable people to agree on political facts.
▪ Purism was an exercise in reason and even the Dadaists arrived at their apparent absurdities by a process of rational thought.
▪ She had a more rational thought.
▪ What the ventriloquist's voice and the puppeteer's hands are to the puppet, presuppositions are to rational thought.
▪ An individual can rely on her own rational thought as a means for deciding that something is correct.
way
▪ We will seek fairer and more rational ways of determining public sector pay within clearly defined budget limits.
▪ Rational thought was the product of rational ways of organizing industry.
▪ Have we ever figured out a rational way to explain and triage which drugs should be banned for which reasons?
▪ By that age there is no rational way to disentangle what has been inherited from what has been learned.
EXAMPLES FROM OTHER ENTRIES
rational behavior
▪ Education helps us to make rational decisions.
▪ How can a rational man be taken in by these arguments?
▪ Let's try and discuss this like two rational human beings.
▪ Many of the patients have long histories of drug abuse, and they're not always rational.
▪ No rational person would have agreed to those terms.
▪ People's behaviour isn't always purely rational.
▪ Taking action to defend yourself is a completely rational reaction if you're being attacked.
▪ There appears to be no rational motive for the attack.
▪ There is no rational explanation for Melanie Hawkin's disappearance.
▪ There must be some rational explanation for this apparently bizarre phenomenon.
▪ We're looking for someone with a rational approach to dealing with problems.
EXAMPLES FROM CORPUS
▪ Consequently rational members of organizations are more likely to stay loyal and inactive than to be vocal participants.
▪ Exactly how a rational person will solve it we shall show later on.
▪ From a rational choice perspective, you would be rather foolish to vote in a presidential election.
▪ It should be seen as seven functional stages of the budgetary process which take place in a political or rational context.
▪ Should they, then, be branded as spurious designators and banished from rational discourse?
▪ Such beliefs serve to explain the system to its members: they make social inequality appear rational and reasonable.
▪ The talk was lively and, compared to Morrison's drivel, refreshingly rational.
The Collaborative International Dictionary
Rational

Rational \Ra"tion*al\ (r[a^]sh"[u^]n*al), a. [L. rationalis: cf. F. rationnel. See Ratio, Reason, and cf. Rationale.]

  1. Relating to the reason; not physical; mental.

    Moral philosophy was his chiefest end; for the rational, the natural, and mathematics . . . were but simple pastimes in comparison of the other.
    --Sir T. North.

  2. Having reason, or the faculty of reasoning; endowed with reason or understanding; reasoning.

    It is our glory and happiness to have a rational nature.
    --Law.

  3. Agreeable to reason; not absurd, preposterous, extravagant, foolish, fanciful, or the like; wise; judicious; as, rational conduct; a rational man.

  4. (Chem.) Expressing the type, structure, relations, and reactions of a compound; graphic; -- said of formul[ae]. See under Formula.

    Rational horizon. (Astron.) See Horizon, 2 (b) .

    Rational quantity (Alg.), one that can be expressed without the use of a radical sign, or in exact parts of unity; -- opposed to irrational or radical quantity.

    Rational symptom (Med.), one elicited by the statements of the patient himself and not as the result of a physical examination.

    Syn: Sane; sound; intelligent; reasonable; sensible; wise; discreet; judicious.

    Usage: Rational, reasonable. Rational has reference to reason as a faculty of the mind, and is opposed to irrational; as, a rational being, a rational state of mind, rational views, etc. In these cases the speculative reason is more particularly, referred to. Reasonable has reference to the exercise of this faculty for practical purposes, and means, governed or directed by reason; as, reasonable desires or plans; a reasonable charge; a reasonable prospect of success.

    What higher in her society thou find'st Attractive, human, rational, love still.
    --Milton.

    A law may be reasonable in itself, although a man does not allow it, or does not know the reason of the lawgivers.
    --Swift.

Rational

Rational \Ra"tion*al\, n. A rational being.
--Young.

Douglas Harper's Etymology Dictionary
rational

late 14c., "pertaining to reason;" mid-15c., "endowed with reason," from Old French racionel and directly from Latin rationalis "of or belonging to reason, reasonable," from ratio (genitive rationis) "reckoning, calculation, reason" (see ratio).

Wiktionary
rational

Etymology 1 a. 1 Capable of reasoning. 2 logically sound; not contradictory or otherwise absurd. 3 (label en of a person or personal characteristics) healthy or balanced intellectually; exhibiting reasonableness. Etymology 2

n. 1 (context mathematics English) A rational number: a number that can be expressed as the quotient of two integers. 2 A rational being.

WordNet
rational
  1. adj. consistent with or based on or using reason; "rational behavior"; "a process of rational inference"; "rational thought" [ant: irrational]

  2. of or associated with or requiring the use of the mind; "intellectual problems"; "the triumph of the rational over the animal side of man" [syn: intellectual, noetic]

  3. capable of being expressed as a quotient of integers; "rational numbers" [ant: irrational]

  4. having its source in or being guided by the intellect (distinguished from experience or emotion); "a rational analysis"

Wikipedia
Rational (disambiguation)

Rational may refer to:

  • Rational number, a number that can be expressed as a ratio of two integers
  • Rational point of an algebraic variety, a point defined over the rational numbers
  • Rational Software, a software company now owned by IBM
  • Tenberry Software, formerly Rational Software, a defunct American software company
  • Rational AG, a German manufacturer of food processors
  • RationaL (rapper), stage name of Canadian hip-hop artist Matt Brotzel
  • The Rationals, a former American rock and roll band
  • Rational, a personality classification in the Keirsey Temperament Sorter
RationaL (rapper)

Matt Brotzel, better known as RationaL, is a Canadian hip-hop artist from Saskatoon, Saskatchewan. On March 30, 2010, RationaL released his debut single "Cocaine Cowboy" off of his upcoming debut album, The BirthWrite LP. The song garnered a 2010 Sphere of Hip-Hop award for "Song of the Year", co-winning the honor alongside 2011 Juno Award winner and fellow Canadian rapper, Shad ("Rose Garden"). July 17, 2012 the rapper released The BirthWrite LP under his own independent imprint, Ear RationaL Music. The album featured guest appearances from Quannum Projects recording artist Pigeon John, former Rawkus Records artist and member of The Procussions, Mr. J. Medeiros, Relic, Theory Hazit and Ohmega Watts.

Usage examples of "rational".

So, too, if man is defined as a rational animal, the judgment that men have reason is analytically true.

A specific antibody used against a specific virus should have destroyed the virus or slowed its progress, and there seemed to be no rational explanation for the dreadful response of the uninfected ones who had been inoculated for protection.

For the flesh would not have been assumable, except by its relation to the rational soul, through which it becomes human flesh.

The human flesh is assumable by the Word on account of the order which it has to the rational soul as to its proper form.

Much of this chapter is devoted to straightening out our thinking, both as a rational process and as an attitudinal process.

His face was white and strained, with blotchy patches of colour, but he seemed entirely rational.

The Extrality Commission, however, reached the expected conclusion that China must make progress toward rational judicial and governmental procedures before extrality could be yielded.

Each of these actors made rational decisions to participate in the malling of America.

Its magic for us is the magic that our culture has systematically marginalized in the rational, scientific, secular, and bureaucratic disenchantment of the world.

Rational despotism--that is, selective despotism--is always a curse to mankind, because with that you have the ordinary man misunderstood and misgoverned by some prig who has no brotherly respect for him at all.

Or perhaps will regard them more as the playsome whimsies of monkies in human shape, than the serious, positive, dogmatical asseverations of a being, who dignifies himself with the name of rational.

Moreover, he deemed it wise and rational to see, face to face, the eminent men in England, with whom, if he fulfilled his promise to De Montaigne, he was to run the race of honourable rivalry.

The inevitable result of this rational pursuit of individual advantage had been the overgrazing and ultimate destruction of the commons.

It could not be denied that a state of abundant accommodation was better than the contrary, but this consideration, though in the most rational estimate, of some weight, she was not so depraved and effeminate as to allow to overweigh the opposite evils.

For grace is a certain partaking of the Godhead by the rational creature, according to 2 Pet.