mature

behaving in the sensible way that you would expect an adult to behave มีวุฒิภาวะ

"He has been remarkably calm and mature about this," Armstrong said about his son.

``I was not very mature in many ways, but I learned a lot of things and I had to take decisions that were more responsible,'' he said.

Berto, who has claimed he did not take performance enhancing drugs, said the experience has made him a
more mature person.