185 entries under rational topic. ×
| well-thought-out(adjective, reasonable, sensible, stable) | |
| witting(adjective, reasonable, sober, wise) | |
| attested(reasonable, reliable, trustworthy, respected) | |
| both oars in water(expression, idiom, sensible, healthy) | |
| clear cut(expression, intelligent, sober, practical) | |
| cognizant(reasonable, sensible, stable, sober) | |
| defendable | |
| defensible(reasonable, justified) | |
| evenhanded(adjective, sensible, practical, judicious) | |
| excusable(reasonable, justified, defensible) | |
| fair-minded(sensible, healthy, stable, sober) | |
| got head together(expression, adjective, idiom, sensible) | |
| having all marbles(expression, idiom, sensible, healthy) | |
| in force(expression, reasonable) | |
| maintainable(reasonable, justified, defensible) | |
| methodical(adjective, logical, coherent, systematic) | |
| oriented(sensible, healthy, stable, sober) | |
| playing with full deck(expression, idiom, sensible, healthy) | |
| stringent(reasonable, influential, winning, convincing) | |
| tested |
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| APA | Smart Define. (2016). sound thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/sound/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sound thesaurus" https://smartdefine.org/sound/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, sound thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/sound/thesaurus/synonyms>. |
| MLA | Smart Define. "sound thesaurus" 24 March 2016. Web. 27 September 2026. <https://smartdefine.org/sound/thesaurus/synonyms> |