123 entries under reasonable topic. ×
| legitimate(adjective, clear, sound, sensible) | |
| plausible(adjective, clear, sound, sensible) | |
| satisfying(adjective, good, clear, sensible) | |
| substantial(sound, rational) | |
| well-grounded(adjective, good, sound, correct) | |
| authoritative(adjective, strong, sound, energetic) | |
| credible(sound, solid, rational, realistic) | |
| efficacious(adjective, strong, power, sound) | |
| intelligent(adjective, clear, sound, sensible) | |
| reliable(adjective, good, sensible, solid) | |
| wise(adjective, clear, sound, sensible) | |
| pertinent(adjective, clear, sound, sensible) | |
| relevant(adjective, clear, sound, sensible) | |
| accurate(adjective, sound, correct, proper) | |
| admissible(sensible, natural, normal, valid) | |
| analytic(adjective, clear, sound, sensible) | |
| binding(sound, rational) | |
| clear(adjective, sensible, definite, precise) | |
| coherent(adjective, clear, sound, sensible) | |
| consistent(clear, sound, sensible, natural) |
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| APA | Smart Define. (2016). cogent thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/cogent/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "cogent thesaurus" https://smartdefine.org/cogent/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, cogent thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/cogent/thesaurus/synonyms>. |
| MLA | Smart Define. "cogent thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/cogent/thesaurus/synonyms> |