mature

Someone is mature if they act like an adult.

Example: You're not mature enough to do this job.

A living thing is mature if it has stopped growing physically.

Example: A mature female is about 30 kg.

Some kinds of food, such as wine, cheese, or fruit are mature when they are ready to eat or drink.

A mature person is older.

Example: Colleges are accepting more mature students and fewer kids out of high school.

If something is mature, it is fully developed.

Example: Television is a mature technology.