The Collaborative International Dictionary
self-disciplined
nonindulgent \nonindulgent\ adj.
not indulgent. [Narrower terms: austere, forbidding, stern ; {blue(prenominal), puritan, puritanical ; {corrective, disciplinary, disciplinal ; {monkish ; {renunciant, renunciative, self-abnegating, self-denying ; {self-disciplined ; {spartan, strict ] Also See {abstemious. Antonym: indulgent.
unpermissive. Opposite of permissive.
Wiktionary
self-disciplined
a. Having self-discipline, be in control of one's self and one's actions.
WordNet
self-disciplined
adj. used of persons