3
psychogenic(adjective, supernatural, mental, spiritual, psychic)
3
shrewd(adjective, smart, bright, deep, intelligent)
3
sound(adjective, reasonable, sensible, deep, knowledgeable)
3
transcendental(adjective, vague, supernatural, abstract, logical)
3
unpractical
3
versed(adjective, knowledgeable, experienced, cultured, knowing)
3
well-read(thoughtful, serious, knowledgeable, cultured, learned)
3
wise man(expression, idiom, sage)
2
apt(smart, bright, intelligent, brainy)
2
avant-garde(noun, adjective, person, radical, leftist)
2
brains(noun, understanding, power, spirit, mind)
2
calculating(adjective, reasonable, keen, smart, bright)
2
cogitative(adjective, reasonable, keen, deep, rational)
2
cognizant(adjective, knowing)
2
comprehending(adjective, smart, bright, intelligent, brainy)
2
contemplative(adjective, reasonable, keen, deep, rational)
2
cultivated(adjective, serious, wise, experienced, cultured)
2
deductive(sound, reasonable, sensible, reasoning, mental)
2
discarnate(abstract, theoretical, abstruse, philosophical)
2
discerning(adjective, sound, reasonable, smart, bright)
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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>