- Definitions|2
- Thesaurus|1k
- Abbreviations|0
14 entries under proper topic. ×
| true(adjective, sound, reasonable, certain) | |
| authoritative(adjective, sound, reasonable, solid) | |
| valid(adjective, good, sound, right, reasonable) | |
| accepted(solid, certain, sure, established) | |
| dependable(adjective, solid, reliable, accepted) | |
| legal(adjective, sound, reasonable, rational) | |
| reliable(adjective, good, sensible, solid, fair) | |
| solid(adjective, sound, reasonable, rational) | |
| fair(adjective, good, sensible, reliable) | |
| faithful(adjective, good, sensible, solid, fair) | |
| kosher(sound, reasonable, rational, accepted) | |
| legit(sound, reasonable, rational, reliable) | |
| recognized(adjective, solid, accepted, established) | |
| sanctioned(solid, accepted, established, permitted) |
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| APA | Smart Define. (2015). proven thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/proven/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "proven thesaurus" https://smartdefine.org/proven/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, proven thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/proven/thesaurus/synonyms>. |
| MLA | Smart Define. "proven thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/proven/thesaurus/synonyms> |