- Definitions|2
- Thesaurus|1.1k
- Abbreviations|0
59 entries under sound topic. ×
| straight(adjective, open, correct, right) | |
| well-grounded(good, right, reasonable, rational) | |
| efficient(good, right, reasonable, rational) | |
| indubitable(adjective, clear, correct, right) | |
| original(good, right, reasonable, pure) | |
| perfect(adjective, correct, right, exact) | |
| pure(adjective, good, correct, right) | |
| rational | |
| reasonable | |
| square(open, honest, proper, reliable) | |
| ultimate(reasonable, rational, precise, decisive) | |
| undoubted(adjective, clear, correct, right) | |
| defensible(reasonable, rational) | |
| justifiable(reasonable, rational) | |
| stringent(good, right, reasonable, rational) | |
| tested(good, right, reasonable, rational) | |
| unadulterated(good, right, reasonable, rational) | |
| unanswerable(good, right, reasonable, rational) | |
| uncorrupted(good, right, reasonable, rational) |
For more, visit
Authoritative on
Power Thesaurus
| APA | Smart Define. (2015). authoritative thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/authoritative/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "authoritative thesaurus" https://smartdefine.org/authoritative/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, authoritative thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/authoritative/thesaurus/synonyms>. |
| MLA | Smart Define. "authoritative thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/authoritative/thesaurus/synonyms> |