4
originate(verb, make, advance, turn, raise)
4
outstanding(adjective, slow, unsettled, late, expected)
4
payable(adjective, slow, outstanding, unsettled, late)
4
polish(verb, improve, look, enhance)
4
polished(adjective, familiar, knowledgeable, informed, experienced)
4
produce(verb, make, advance, turn, raise)
4
reasonable(adjective, adult)
4
receivable(adjective, outstanding, expected, due, appointed)
4
refined(adjective, familiar, knowledgeable, practical, informed)
4
senesce
4
worldly-wise(adjective, familiar, life, sophisticated, knowledgeable)
3
full(adjective, complete, smooth, warm, ready)
3
set(verb, form, develop, progress, improve)
3
acquire(verb, form, set, develop, progress)
3
ancient(adjective, tired, gray, aged, older)
3
arise(verb, advance, increase, develop, turn)
3
armed and ready(expression, idiom)
3
attain majority(verb, expression, advance, develop, perfect)
3
become(verb, get, change, advance, develop)
3
blase(sophisticated, refined, practical, experienced, cultured)
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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>