Longman Dictionary of Contemporary English
level-headed
adjective
EXAMPLES FROM OTHER ENTRIES
▪ a level-headed solution
▪ A good pilot needs to be calm and level-headed.
▪ He had a level-headed approach to financial matters.
EXAMPLES FROM CORPUS
▪ A few weeks later we returned, this time with a third friend, a very level-headed girl.
▪ Britain is in an economic mess and we need level-headed, responsible leaders to pull us out of it.
▪ Did this and similar comments represent a lack of faith in his abilities or a level-headed assessment of them?
▪ He was said to be level-headed and unlikely to be affected by a few fancy words.
▪ Hopefully, some of the more level-headed members of the council can prevail and make the Boom Town fiasco a bust.
▪ The Colonel's cool compassion showed his command of the situation: no moment of fury distorted his fearless and level-headed view.
▪ This last section is the most level-headed assessment of the topic that I have read.
▪ When he had gone she faced things all over again, glad to have the advice of some one so level-headed.
Wiktionary
level-headed
a. (context idiomatic English) sensible; rational; possessing sound judgment.
Usage examples of "level-headed".
Even Seri, usually level-headed and calm, had flung herself on Aris, sobbing wildly, in the first hours after.
Judge Virginia Howarth - an Engler appointee, but more level-headed than that suggests.
General wants two level-headed chaps to go out beyond the pickets to the front and toward the left.
Like the head of the foreign exchange department of my bank, and as level-headed, trustworthy a chap as you'd meet anywhere.
On the evening of the Cape Canaveral verses he sounded more level-headed than I'd ever known him out of an aeroplane.