- Definitions|2
- Thesaurus|876
- Abbreviations|0
50 entries under sound topic. ×
| attested(good, right, reasonable, rational) | |
| authentic(good, right, reasonable, rational) | |
| binding(reasonable, rational) | |
| bona fide(expression, good, right, reasonable) | |
| conclusive(reasonable, rational, influential, winning) | |
| confirmed(good, right, reasonable, rational) | |
| credible(good, right, reasonable, rational) | |
| defensible(reasonable, rational) | |
| determinative(reasonable, rational) | |
| genuine(good, right, reasonable, rational) | |
| irrefutable(reasonable, rational) | |
| justifiable(reasonable, rational) | |
| kosher(good, right, reasonable, rational) | |
| lawful(good, right, reasonable, rational) | |
| legit(good, right, reasonable, rational) | |
| legitimate(good, right, reasonable, rational) | |
| official(good, right, reasonable, rational) | |
| original(good, right, reasonable, rational) | |
| proven(reasonable, rational) | |
| pure(good, right, reasonable, rational) |
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| APA | Smart Define. (2015). efficacious thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/efficacious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "efficacious thesaurus" https://smartdefine.org/efficacious/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, efficacious thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/efficacious/thesaurus/synonyms>. |
| MLA | Smart Define. "efficacious thesaurus" 13 October 2015. Web. 23 September 2026. <https://smartdefine.org/efficacious/thesaurus/synonyms> |