185 entries under rational topic. ×
| accurate(adjective, good, correct, reasonable, appropriate) | |
| authentic(adjective, correct, reasonable, honest, solid) | |
| believable(adjective, reasonable, honest, sensible, solid) | |
| compos mentis(expression, adjective, idiom, sensible) | |
| down-to-earth(adjective, calm, hard, reasonable, sensible) | |
| genuine(adjective, clear, correct, reasonable, firm) | |
| pure(adjective, good, clear, great, reasonable) | |
| right-minded(adjective, reasonable, sensible, healthy) | |
| coherent(adjective, clear, reasonable, sensible, alert) | |
| commonsense(hard, reasonable, sensible, practical) | |
| matter-of-fact(adjective, hard, reasonable, sensible) | |
| of sound mind(expression, idiom, sensible, healthy) | |
| persuasive(adjective, clear, strong, direct, tough) | |
| compelling(clear, reasonable, sensible, knowing) | |
| discreet(adjective, reasonable, honest, sensible, fair) | |
| discriminating(adjective, clear, reasonable, sensible, fair) | |
| efficacious(reasonable, sensible, wise, shrewd) | |
| efficient(adjective, strong, direct, tough, reasonable) | |
| grave(adjective, calm, quiet, reasonable, dark) | |
| informed(adjective, reasonable, sharp, sensible, ready) |
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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> |