89 entries under thoughtful topic. ×
| intent(adjective, reasonable, keen, deep) | |
| inventive(smart, bright, alert, intelligent) | |
| low-key(adjective, calm, quiet, reasonable, sensible) | |
| meditative(adjective, reasonable, keen, deep, intelligent) | |
| melancholy(adjective, reasonable, keen, deep) | |
| museful(adjective, reasonable, keen, deep) | |
| musing(adjective, reasonable, keen, deep) | |
| pacific(adjective, calm, quiet, reasonable, sensible) | |
| peaceful dull(expression, calm, quiet, reasonable, dark) | |
| pensive(adjective, reasonable, keen, deep, intelligent) | |
| plain(adjective, calm, sensible, dark, restrained) | |
| pondering(adjective, reasonable, keen, deep) | |
| preoccupied(adjective, reasonable, keen, deep) | |
| rapt(adjective, reasonable, keen, deep) | |
| reflecting(adjective, reasonable, keen, deep) | |
| reserved(adjective, calm, reasonable, sensible, restrained) | |
| retrospective(adjective, reasonable, keen, deep) | |
| severe(adjective, calm, quiet, reasonable, sensible) | |
| soft(adjective, calm, quiet, reasonable, sensible) | |
| somber(adjective, calm, quiet, reasonable, sensible) |
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| APA | Smart Define. (2016). rational thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/rational/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "rational thesaurus" https://smartdefine.org/rational/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, rational thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/rational/thesaurus/synonyms>. |
| MLA | Smart Define. "rational thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/rational/thesaurus/synonyms> |