mature
Definitions
Fully developed in body or mind; grown-up.
Having reached an advanced stage of mental or physical development.
Fully aged or ripened, as with cheese, wine, or fruit.
Examples
She has developed a very mature approach to handling difficult workplace conflicts.
The grapes need more time to mature before they are ready to be harvested.
It is important to have a mature discussion about the future of the project.
Synonyms
adult developed grown experienced seasoned ripe sophisticated