One of the mysteries of the English language finally explained.
Synonyms of mature in English:
mature
See definition of mature
adjective
1‘she is now a mature woman’
adult, grown-up, grown, fully grown, full-grown, of age, fully developed, fully fledged, in one's prime, in full bloom, nubile
immature, growing, adolescent
2‘he's very mature for his age’
sensible, responsible, adult, level-headed, reliable, dependable
discriminating, shrewd, practical, wise, sagacious, experienced, sophisticated
immature, childish
3‘mature Cheddar cheese’
ripe, ripened, mellow, ready, seasoned, full-flavoured
fresh, unripe
4‘on mature reflection, he decided not to go’
careful, thorough, deep, considered, methodical
impulsive, unthinking
verb
1‘kittens mature when they are about a year old’
be fully grown, be full-grown, be fully developed, develop fully, come of age, become adult, reach adulthood, reach maturity
2‘he has matured since he left home’
become more adult, become more responsible, become more sensible, grow up
bloom, blossom
3‘leave the cheese to mature’
ripen, grow ripe, become ripe, mellow, become mellow, age
4‘their friendship did not have time to mature’
develop, grow, evolve, bloom, blossom, flourish, thrive, come to fruition