fully
a fully matured cheese

early
This variety is easy to grow and matures early.

quickly, rapidly
slowly
emotionally, physically
The teenage years cover a period in which people mature physically and emotionally.

nicely
The little garden was maturing nicely.

allow sth to, leave sth to
The cheese is smoked and then left to mature.

into
She had matured into a beautiful young woman.

to
a young man who is maturing to adulthood

Mature is used with these nouns as the subject:
market, wine

Mature is used with these nouns as the object:
wine

be
become
look
She tries to look mature and sophisticated.

extremely, fairly, very, etc.
fully
emotionally, physically, sexually
remarkably
He was remarkably mature for his age.

Mature is used with these nouns:
forest, male, reflection, stage, student, tree, wine, work