maturity

Universal Words noun [U] 1 the quality of thinking and behaving in a sensible, adult manner: He has maturity beyond his years. * Her poems show great maturity. compareIMMATURITY 2 (of a person, an animal, or a plant) the state of being fully grown or developed: The forest will take 100 years to reach maturity. compareIMMATURITY 3 (business) (of an insurance policy, etc.) the time when money you have invested is ready to be paid