29 entries under thoughtful topic. ×

5
highbrow(adjective, rational, intelligent, serious)
3
brainy(adjective, rational, intelligent, serious)
3
well-read(adjective, serious, cultured, knowing)
2
diligent(serious, reflective)
2
lettered(adjective, knowledge, serious, knowledgeable)
1
assiduous(adjective, serious, reflective)
1
cerebral(adjective, rational, intelligent, serious)
1
reflective(adjective, serious)
1
serious(adjective, cultured, reflective)
1
well-informed(adjective, serious, knowledgeable, cultured)
0
attentive(serious, reflective)
0
careful(serious, reflective)
0
contemplative(serious, reflective)
0
eager(serious, reflective)
0
earnest(serious, reflective)
0
grubbing(serious, reflective)
0
hard-working(serious, reflective)
0
highbrowed(rational, intelligent, knowledgeable)
0
industrious(serious, reflective)
0
intellective(rational, intelligent, serious, wise)
<12>
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APASmart Define. (2015). bookish thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/bookish/thesaurus/synonyms
ChicagoSmart Define. 2015. "bookish thesaurus" https://smartdefine.org/bookish/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, bookish thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/bookish/thesaurus/synonyms>.
MLASmart Define. "bookish thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/bookish/thesaurus/synonyms>