120 entries under sober topic. ×
| hard-boiled(adjective, calm, hard, sound, tough) | |
| philosophic(adjective, sound, reasonable, keen, sensible) | |
| right-minded(adjective, reasonable, sensible, healthy, stable) | |
| advisable(adjective, good, sound, reasonable, sensible) | |
| arguable(adjective, sound, reasonable, sensible, intelligent) | |
| canny(adjective, reasonable, smart, bright, intelligent) | |
| careful(adjective, reasonable, sensible, restrained, modest) | |
| cogitative(adjective, reasonable, keen, sensible, deep) | |
| cognitive(adjective, sound, reasonable, sensible, intelligent) | |
| considered(adjective, reasonable, sensible, deliberate, restrained) | |
| contemplative(adjective, reasonable, keen, sensible, deep) | |
| earnest(adjective, calm, quiet, reasonable, keen) | |
| far-sighted(adjective, calm, sound, reasonable, sensible) | |
| self-possessed(adjective, calm, sound, reasonable, sensible) | |
| serious(adjective, calm, reasonable, keen, dark) | |
| thought-out(adjective, sound, reasonable, sensible, intelligent) | |
| unidealistic(adjective, hard, sound, reasonable, sensible) | |
| useful(adjective, reasonable, sensible, real) | |
| absorbed(adjective, reasonable, keen, deep, intelligent) | |
| attentive(reasonable, thoughtful, realistic, perceptive) |
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| APA | Smart Define. (2016). rational thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/rational/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "rational thesaurus" https://smartdefine.org/rational/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, rational thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/rational/thesaurus/synonyms>. |
| MLA | Smart Define. "rational thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/rational/thesaurus/synonyms> |