VERBS be | become
ADV. fully | emotionally, physically, sexually
ADV. 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.
VERB + MATURE allow sth to, leave sth to The cheese is smoked and then left to mature.
PREP. into She had matured into a beautiful young woman. | to a young man who is maturing to adulthood