209 entries under adjective topic. ×

5
bookish(sound, smart, rational, wise)
5
ideal(important, vague, worthy, prominent)
5
ideational
5
informed(deep, thoughtful, experienced, knowing)
5
intellective(smart, rational, intelligent, wise)
5
intelligence(noun, understanding, ability, mind)
5
ruminative(reasonable, rational, intelligent, thoughtful)
5
sagacious(sound, reasonable, smart, bright)
5
smart(bright, rational, intelligent, brainy)
5
understanding(noun, ability, mind, reason)
4
adept(noun, smart, bright, intelligent)
4
astute(smart, bright, intelligent, brainy)
4
canny(smart, bright, intelligent, knowing)
4
deep(good, sound, reasonable, smart)
4
longhair(noun, brain, learned, sage)
4
notional(abstract, risky, unreal, theoretical)
4
reflective(sound, reasonable, sensible, deep)
4
sensible(good, sound, reasonable, smart)
4
sharp(smart, bright, intelligent, knowledgeable)
4
speculative(thoughtful, abstract, theoretical, reflective)
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APASmart Define. (2016). intellectual thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/intellectual/thesaurus/synonyms
ChicagoSmart Define. 2016. "intellectual thesaurus" https://smartdefine.org/intellectual/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, intellectual thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/intellectual/thesaurus/synonyms>.
MLASmart Define. "intellectual thesaurus" 22 February 2016. Web. 26 September 2026. <https://smartdefine.org/intellectual/thesaurus/synonyms>