89 entries under thoughtful topic. ×
| studious(adjective, sound, reasonable, keen, intelligent) | |
| subdued(adjective, calm, quiet, reasonable, sensible) | |
| toned down(expression, adjective, calm, quiet, reasonable) | |
| unimpassioned(adjective, calm, quiet, reasonable, sensible) | |
| wistful(adjective, reasonable, keen, deep) | |
| bookish(intelligent, knowledgeable) | |
| deliberating | |
| ruminating | |
| very smart(expression, smart, bright, intelligent) |
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| APA | Smart Define. (2016). rational thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/rational/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "rational thesaurus" https://smartdefine.org/rational/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, rational thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/rational/thesaurus/synonyms>. |
| MLA | Smart Define. "rational thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/rational/thesaurus/synonyms> |