5
informed(adjective, deep, thoughtful, experienced, knowing)
5
intellective(adjective, smart, rational, intelligent, wise)
5
intelligence(noun, adjective, understanding, ability, mind)
5
mastermind(noun, intellect, sage, philosopher, theorist)
5
polymath(sound, knowledgeable, cultured, educated, erudite)
5
ruminative(adjective, reasonable, rational, intelligent, thoughtful)
5
sagacious(adjective, sound, reasonable, smart, bright)
5
smart(adjective, bright, rational, intelligent, brainy)
5
understanding(noun, adjective, ability, mind, reason)
4
academician(noun, person, intellect, radical, sage)
4
adept(noun, adjective, smart, bright, intelligent)
4
art lover
4
astute(adjective, smart, bright, intelligent, brainy)
4
canny(adjective, smart, bright, intelligent, knowing)
4
deep(adjective, good, sound, reasonable, smart)
4
longhair(noun, adjective, brain, learned, sage)
4
mentor(adviser, wise guide)
4
notional(adjective, abstract, risky, unreal, theoretical)
4
reflective(adjective, sound, reasonable, sensible, deep)
4
sane(sound, reasonable, sensible, reasoning, mental)
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APASmart Define. (2016). intellectual thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/intellectual/thesaurus/synonyms
ChicagoSmart Define. 2016. "intellectual thesaurus" https://smartdefine.org/intellectual/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, intellectual thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/intellectual/thesaurus/synonyms>.
MLASmart Define. "intellectual thesaurus" 22 February 2016. Web. 23 September 2026. <https://smartdefine.org/intellectual/thesaurus/synonyms>