7
bloom(verb, advance, open, develop, perfect)
7
grow up(verb, expression, phrasal verb, advance, develop)
7
prime(verb, adjective, advance, develop, perfect)
6
due(adjective, slow, money, outstanding, unsettled)
6
fledged
6
mellowed(adjective, established, settled, developed, ripe)
6
prepared(adjective, ready, familiar, knowledgeable, informed)
6
veteran(adjective, familiar, sophisticated, tired, knowledgeable)
6
well-versed(familiar, sophisticated, knowledgeable, skilled, competent)
6
worldly(adjective, familiar, sophisticated, wise, refined)
5
wax(verb, get, advance, develop, turn)
5
bring to maturity(expression, idiom, preparation)
5
burgeon(verb, advance, open, turn, raise)
5
elaborate(change, develop, progress, grow, preparation)
5
elderly(adjective, tired, old, gray, aged)
5
flourish(verb, advance, open, turn, raise)
5
form(verb, develop, grow, come, arise)
5
fully developed(expression, adjective, idiom, smooth, sharp)
5
grown up(verb, expression, phrasal verb, adolescence)
5
improve(verb, advance, increase, develop, progress)
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APASmart Define. (2015). mature thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/mature/thesaurus/synonyms
ChicagoSmart Define. 2015. "mature thesaurus" https://smartdefine.org/mature/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, mature thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/mature/thesaurus/synonyms>.
MLASmart Define. "mature thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/mature/thesaurus/synonyms>