86 entries under sound topic. ×
| substantial(reasonable, rational) | |
| well-grounded(adjective, good, correct, reasonable) | |
| authoritative(adjective, strong, reasonable, energetic) | |
| credible(reasonable, solid, rational, realistic) | |
| efficacious(adjective, strong, power, reasonable) | |
| intelligent(adjective, clear, reasonable, sensible) | |
| wise(adjective, clear, reasonable, sensible) | |
| pertinent(adjective, clear, reasonable, sensible) | |
| relevant(adjective, clear, reasonable, sensible) | |
| accurate(adjective, correct, reasonable, proper) | |
| analytic(adjective, clear, reasonable, sensible) | |
| binding(reasonable, rational) | |
| coherent(adjective, clear, reasonable, sensible) | |
| consistent(clear, reasonable, sensible, natural) | |
| discerning(clear, reasonable, sensible, rational) | |
| efficient(power, reasonable, violent, rational) | |
| fair(good, clear, reasonable, honest) | |
| genuine(adjective, good, right, reasonable) | |
| in force(expression, reasonable, rational) | |
| irrefutable(reasonable, rational, definite, precise) |
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| APA | Smart Define. (2016). cogent thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/cogent/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "cogent thesaurus" https://smartdefine.org/cogent/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, cogent thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/cogent/thesaurus/synonyms>. |
| MLA | Smart Define. "cogent thesaurus" 29 March 2016. Web. 29 September 2026. <https://smartdefine.org/cogent/thesaurus/synonyms> |