73 entries under knowledgeable topic. ×

17
mature(verb, adjective, smooth, warm, ready)
9
developed(verb, adjective, smooth, soft, warm)
8
seasoned(verb, adjective, smooth, warm, ready)
7
old(adjective, familiar, sophisticated, competent)
4
polished(familiar, informed)
4
refined(familiar, informed, industrialized)
4
sophisticated(adjective, familiar, skilled, competent)
2
expert(familiar, skilled, qualified, informed)
2
knowing(familiar, skilled, qualified, informed)
2
practiced(familiar, sophisticated, skilled, competent)
2
proficient(skilled, qualified)
2
tried(familiar, sophisticated, skilled, competent)
2
veteran(familiar, sophisticated, tired, qualified)
2
worldly(familiar, sophisticated, skilled, competent)
2
worldly-wise(familiar, sophisticated, skilled, competent)
1
accomplished(happy, familiar, content, sophisticated)
1
accustomed(familiar, sophisticated, skilled, competent)
1
adept(familiar, sophisticated, skilled, competent)
1
been around(expression, familiar, sophisticated, qualified)
1
been there(expression, familiar, sophisticated, competent)
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APASmart Define. (2015). matured thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/matured/thesaurus/synonyms
ChicagoSmart Define. 2015. "matured thesaurus" https://smartdefine.org/matured/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, matured thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/matured/thesaurus/synonyms>.
MLASmart Define. "matured thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/matured/thesaurus/synonyms>