89 entries under thoughtful topic. ×
| psychological(adjective, intelligent, intellect, knowledgeable) | |
| bright(adjective, smart, intelligent, brainy) | |
| reflective(adjective, sound, reasonable, honest, sensible) | |
| ruminative(adjective, reasonable, intelligent, sober) | |
| subjective(adjective, reasonable, keen, heavy, intelligent) | |
| composed(adjective, calm, quiet, sound, reasonable) | |
| dispassionate(adjective, calm, sound, reasonable, sensible) | |
| hard-boiled(adjective, calm, hard, sound, tough) | |
| serene(adjective, calm, quiet, reasonable, sensible) | |
| unexcited(adjective, calm, quiet, reasonable, sensible) | |
| unruffled(adjective, calm, quiet, reasonable, sensible) | |
| cogitative(adjective, reasonable, keen, sensible, deep) | |
| contemplative(adjective, reasonable, keen, sensible, deep) | |
| disciplined(adjective, calm, quiet, reasonable, sensible) | |
| earnest(adjective, calm, quiet, reasonable, keen) | |
| highbrow(smart, bright, intelligent, knowledgeable) | |
| highbrowed(intelligent, knowledgeable) | |
| imperturbable(adjective, calm, sensible, dark, restrained) | |
| learned(adjective, intelligent, wise, moral) | |
| no-nonsense(adjective, calm, quiet, reasonable, sharp) |
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| APA | Smart Define. (2016). rational thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/rational/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "rational thesaurus" https://smartdefine.org/rational/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, rational thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/rational/thesaurus/synonyms>. |
| MLA | Smart Define. "rational thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/rational/thesaurus/synonyms> |