101 entries under knowledgeable topic. ×

2
bookish(adjective, knowledge, thoughtful, serious)
2
brainy(adjective, smart, familiar, intelligent, brilliant)
2
civilized(familiar, informed, experienced, cultured)
2
grounded(cultured, educated, erudite, enlightened)
2
highbrow(adjective, polite, sophisticated, refined)
2
pansophic(cultured, educated, erudite, enlightened)
2
polymath(cultured, educated, erudite, enlightened)
2
refined(adjective, familiar, informed, experienced)
1
conversant(familiar, informed, cultured, educated)
1
developed(familiar, informed, experienced, cultured)
1
esoteric(cultured, educated, erudite, enlightened)
1
expert(familiar, informed, experienced, cultured)
1
familiar(adjective, informed, experienced, learned)
1
formed(verb, familiar, informed, experienced)
1
grave(cultured, educated, erudite, enlightened)
1
in the know(expression, adjective, idiom, familiar)
1
pedantic(cultured, educated, erudite, enlightened)
1
philosophic(cultured, educated, erudite, enlightened)
1
philosophical(cultured, educated, erudite, enlightened)
1
polished(familiar, informed, experienced, cultured)
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APASmart Define. (2015). lettered thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/lettered/thesaurus/synonyms
ChicagoSmart Define. 2015. "lettered thesaurus" https://smartdefine.org/lettered/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, lettered thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/lettered/thesaurus/synonyms>.
MLASmart Define. "lettered thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/lettered/thesaurus/synonyms>