- Definitions|2
- Thesaurus|441
- Abbreviations|0
36 entries under right topic. ×
| valid(adjective, sound, reasonable, rational) | |
| attested(adjective, good, sound, reasonable) | |
| authentic(adjective, good, sound, reasonable) | |
| authoritative(adjective, good, sound, reasonable) | |
| bona fide(expression, adjective, good, sound) | |
| confirmed(adjective, good, sound, reasonable) | |
| credible(adjective, good, sound, reasonable) | |
| efficacious(adjective, good, sound, reasonable) | |
| efficient(adjective, good, sound, reasonable) | |
| genuine(adjective, good, sound, reasonable) | |
| good(adjective, sound, reasonable, rational) | |
| in force(expression, adjective, good, sound) | |
| just(adjective, good, sound, reasonable) | |
| kosher(adjective, good, sound, reasonable) | |
| lawful(adjective, good, sound, reasonable) | |
| legal(adjective, good, sound, reasonable) | |
| legit(adjective, good, sound, reasonable) | |
| legitimate(adjective, good, sound, reasonable) | |
| logical(adjective, good, sound, reasonable) | |
| official(adjective, good, sound, reasonable) |
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| APA | Smart Define. (2015). unanswerable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unanswerable/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unanswerable thesaurus" https://smartdefine.org/unanswerable/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, unanswerable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unanswerable/thesaurus/synonyms>. |
| MLA | Smart Define. "unanswerable thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/unanswerable/thesaurus/synonyms> |