64 entries under sound topic. ×

3
philosophical(adjective, deep, thoughtful, abstract)
2
deductive(reasonable, sensible, reasoning, mental)
2
discerning(adjective, reasonable, smart, bright)
2
judicious(reasonable, sensible, knowledgeable, cultured)
2
literary(experienced, cultured, learned, educated)
2
logical(adjective, good, reasonable, sensible)
2
ratiocinative(adjective, reasonable, sensible, reasoning)
2
sapient(bright, intelligent, knowledgeable, cultured)
2
skilled(smart, bright, deep, intelligent)
2
sober(adjective, good, reasonable, keen)
1
abstruse(deep, thoughtful, knowledgeable, abstract)
1
all there(expression, reasonable, smart, bright)
1
cool(reasonable, sensible, reasoning, mental)
1
enlightened(reasonable, smart, bright, sensible)
1
esoteric(adjective, deep, thoughtful, abstract)
1
grave(adjective, reasonable, keen, sober)
1
impartial(reasonable, sensible, reasoning, mental)
1
in the know(expression, idiom, cultured, learned)
1
levelheaded(adjective, good, reasonable, sensible)
1
normal(reasonable, sensible, reasoning, mental)
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APASmart Define. (2016). intellectual thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/intellectual/thesaurus/synonyms
ChicagoSmart Define. 2016. "intellectual thesaurus" https://smartdefine.org/intellectual/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, intellectual thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/intellectual/thesaurus/synonyms>.
MLASmart Define. "intellectual thesaurus" 22 February 2016. Web. 28 September 2026. <https://smartdefine.org/intellectual/thesaurus/synonyms>