92 entries under rational topic. ×
| astute(adjective, hard, sound, reasonable, sensible) | |
| calm(adjective, sound, reasonable, sensible) | |
| fair-minded(adjective, sound, reasonable, stable) | |
| far-sighted(adjective, calm, sound, reasonable, sensible) | |
| informed(adjective, reasonable, sensible, stable) | |
| percipient(adjective, sound, sensible, intelligent) | |
| reasoning(adjective, sound, reasonable, sensible) | |
| shrewd(adjective, hard, sound, reasonable, sensible) | |
| aware(adjective, reasonable, sensible, stable) | |
| both oars in water(expression, adjective, idiom, sound, reasonable) | |
| careful(adjective, reasonable, sensible, intelligent) | |
| collected(adjective, calm, sound, reasonable, sensible) | |
| coolheaded(calm, sound, reasonable, sensible) | |
| credible(adjective, sound, sensible, intelligent) | |
| discriminating(adjective, sound, reasonable, sensible) | |
| having all marbles(expression, adjective, idiom, sound, reasonable) | |
| justifiable(adjective, sound, honest, sensible, fair) | |
| plausible(adjective, sound, honest, sensible, fair) | |
| playing with full deck(expression, adjective, idiom, sound, reasonable) | |
| ratiocinative(adjective, sound, reasonable, sensible) |
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| APA | Smart Define. (2015). sane thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sane/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "sane thesaurus" https://smartdefine.org/sane/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, sane thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sane/thesaurus/synonyms>. |
| MLA | Smart Define. "sane thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/sane/thesaurus/synonyms> |