- Definitions|2
- Thesaurus|1k
- Abbreviations|0
51 entries under sound topic. ×
| kosher(reasonable, proper, rational, accepted) | |
| legit(reasonable, proper, rational, reliable) | |
| unanswerable(set, reasonable, certain, rational) | |
| binding(reasonable, certain, rational, definite) | |
| bona fide(expression, reasonable, rational) | |
| cogent(reasonable, rational) | |
| compelling(reasonable, rational) | |
| convincing(reasonable, certain, rational, reliable) | |
| credible(reasonable, rational) | |
| defensible(reasonable, rational) | |
| determinative(reasonable, rational) | |
| efficacious(reasonable, rational) | |
| in force(expression, reasonable, rational) | |
| just(adjective, good, right, reasonable) | |
| lawful(reasonable, rational) | |
| logical(reasonable, rational, understandable) | |
| official(reasonable, rational, accepted, permitted) | |
| original(reasonable, rational) | |
| persuasive(reasonable, rational) | |
| potent(reasonable, rational) |
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| APA | Smart Define. (2015). proven thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/proven/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "proven thesaurus" https://smartdefine.org/proven/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, proven thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/proven/thesaurus/synonyms>. |
| MLA | Smart Define. "proven thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/proven/thesaurus/synonyms> |