86 entries under sound topic. ×
| official(reasonable, rational, valid, lawful) | |
| original(reasonable, significant, rational, weighty) | |
| proven(reasonable, rational) | |
| tested(reasonable, rational) | |
| unadulterated(adjective, good, right, reasonable) | |
| uncorrupted(reasonable, rational) |
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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> |