- Definitions|2
- Thesaurus|1k
- Abbreviations|0
51 entries under sound topic. ×
| powerful(reasonable, rational) | |
| pure(reasonable, rational) | |
| rational(reasonable, logical, understandable) | |
| reasonable | |
| stringent(reasonable, rational) | |
| telling(reasonable, rational) | |
| ultimate(reasonable, rational) | |
| unadulterated(reasonable, rational) | |
| uncorrupted(reasonable, rational) | |
| weighty(reasonable, rational) | |
| well-grounded(reasonable, rational, logical, understandable) |
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| APA | Smart Define. (2015). proven thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/proven/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "proven thesaurus" https://smartdefine.org/proven/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, proven thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/proven/thesaurus/synonyms>. |
| MLA | Smart Define. "proven thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/proven/thesaurus/synonyms> |