- Definitions|2
- Thesaurus|1.1k
- Abbreviations|0
46 entries under valid topic. ×
| official(adjective, good, sound, correct, right) | |
| authentic(adjective, good, open, sound, correct) | |
| definitive(adjective, set, correct, perfect, true) | |
| reliable(adjective, good, clear, open, firm) | |
| absolute(adjective, clear, precise, government, chief) | |
| trustworthy(adjective, good, clear, sound, correct) | |
| true(adjective, good, clear, sound, correct) | |
| conclusive(adjective, clear, sound, certain, true) | |
| dependable(adjective, good, correct, right, honest) | |
| legitimate(adjective, good, sound, correct, right) | |
| sound(adjective, clear, proper, accepted, established) | |
| accurate(adjective, good, open, sound, correct) | |
| certain(adjective, pure, original, real, genuine) | |
| factual(adjective, correct, right, honest, exact) | |
| faithful(adjective, solid, pure, proper, true) | |
| sure(adjective, clear, pure, certain, original) | |
| veritable(adjective, correct, right, honest, exact) | |
| truthful(adjective, open, correct, right, honest) | |
| confirmed(adjective, good, sound, right, reasonable) | |
| scholarly(adjective, sagacious) |
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| APA | Smart Define. (2015). authoritative thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/authoritative/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "authoritative thesaurus" https://smartdefine.org/authoritative/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, authoritative thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/authoritative/thesaurus/synonyms>. |
| MLA | Smart Define. "authoritative thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/authoritative/thesaurus/synonyms> |