Synonyms|721Antonyms|208|Broader|16Narrower|55Related|1.7k

73 entries under thoughtful topic. ×

1
abstruse(sound, deep, knowledgeable, abstract)
1
attentive(reasonable, serious, pensive, reflective)
1
deliberative(adjective, reasonable, keen, deep, rational)
1
difficult(deep, abstract, theoretical, reflective)
1
earnest(adjective, reasonable, keen, deep, rational)
1
engrossed(adjective, reasonable, keen, deep, rational)
1
enlightened(sound, reasonable, smart, bright, sensible)
1
esoteric(adjective, sound, deep, abstract)
1
intent(adjective, reasonable, keen, deep, rational)
1
levelheaded(adjective, good, sound, reasonable, sensible)
1
occult(adjective, deep, supernatural, mental)
1
preoccupied(adjective, reasonable, keen, deep, rational)
1
rapt(adjective, reasonable, keen, deep, rational)
1
recondite(sound, deep, rational, abstract)
0
acroamatic(deep, reflective)
0
assiduous(serious, reflective)
0
careful(serious, reflective)
0
deliberating(rational, intelligent)
0
diligent(serious, reflective)
0
eager(serious, reflective)
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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>