81 entries under rational topic. ×
| systematic(adjective, logical, scrupulous, coherent) | |
| trustworthy(adjective, good, sound, reasonable, sensible) | |
| analytical(adjective, clear, sound, reasonable, sensible) | |
| authentic(sound, reasonable, honest, solid) | |
| commonsensical(clear, sound, reasonable, sensible) | |
| congruent(clear, sound, reasonable, sensible) | |
| consequent(clear, sound, reasonable, sensible) | |
| deducible(clear, sound, reasonable, sensible) | |
| determinative(sound, reasonable, definite, precise) | |
| discriminating(clear, sound, reasonable, sensible) | |
| extensional(clear, sound, reasonable, sensible) | |
| germane(clear, sound, reasonable, sensible) | |
| inferential(clear, sound, reasonable, sensible) | |
| judicious(clear, sound, reasonable, sensible) | |
| juridicious(clear, sound, reasonable, sensible) | |
| kosher(clear, sound, reasonable, sensible) | |
| legit(clear, sound, reasonable, sensible) | |
| necessary(clear, sound, reasonable, sensible) | |
| obvious(clear, sound, reasonable, sensible) | |
| probable(sound, reasonable, sensible, solid, natural) |
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| APA | Smart Define. (2016). cogent thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/cogent/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "cogent thesaurus" https://smartdefine.org/cogent/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, cogent thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/cogent/thesaurus/synonyms>. |
| MLA | Smart Define. "cogent thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/cogent/thesaurus/synonyms> |