120 entries under sober topic. ×
| preoccupied(adjective, reasonable, keen, deep, thoughtful) | |
| rapt(adjective, reasonable, keen, deep, thoughtful) | |
| reflecting(adjective, reasonable, keen, deep, thoughtful) | |
| retrospective(adjective, reasonable, keen, deep, thoughtful) | |
| studious(adjective, sound, reasonable, keen, intelligent) | |
| tolerant(adjective, sound, reasonable, moderate, sensible) | |
| unbiased(adjective, sound, reasonable, moderate, sensible) | |
| unprejudiced(adjective, sound, reasonable, moderate, sensible) | |
| well(sensible, healthy, stable, well-balanced) | |
| well-thought-out(adjective, sound, reasonable, sensible, stable) | |
| wistful(adjective, reasonable, keen, deep, thoughtful) | |
| witting(adjective, understanding, reasonable, wise) | |
| au courant(expression, reasonable, realistic, perceptive) | |
| both oars in water(expression, idiom, sensible, healthy, stable) | |
| got head together(expression, adjective, idiom, sensible) | |
| having all marbles(expression, idiom, sensible, healthy, stable) | |
| oriented(sensible, healthy, stable, well-balanced) | |
| playing with full deck(expression, idiom, sensible, healthy, stable) | |
| sentient(reasonable, realistic, perceptive, sane) | |
| well-reasoned(adjective, reasonable, wise, realistic) |
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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> |