133 entries under reasonable topic. ×
| original(adjective, quality, sound, right) | |
| sufficient(adjective, good, direct, fair) | |
| efficient(adjective, power, sound, right) | |
| licit(adjective, proper, just, legitimate) | |
| suitable(adjective, good, correct, appropriate) | |
| wise(clear, sound, sensible, rational) | |
| acceptable(adjective, good, honest, solid) | |
| commonsensical(clear, sound, sensible, rational) | |
| dependable(adjective, good, open, right) | |
| fitting(adjective, clear, correct, appropriate) | |
| judicious(clear, sensible, proper, logical) | |
| pertinent(adjective, clear, sound, sensible) | |
| plausible(adjective, open, sensible, solid) | |
| relevant(adjective, clear, sound, appropriate) | |
| sincere(adjective, simple, easy, honest) | |
| unadulterated(adjective, sound, right, pure) | |
| determinative(adjective, sound, right, honest) | |
| fit(adjective, good, open, correct) | |
| impressive(adjective, solid, violent, important) | |
| pure(adjective, sound, right, honest) |
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| APA | Smart Define. (2016). valid thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/valid/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "valid thesaurus" https://smartdefine.org/valid/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, valid thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/valid/thesaurus/synonyms>. |
| MLA | Smart Define. "valid thesaurus" 31 March 2016. Web. 21 September 2026. <https://smartdefine.org/valid/thesaurus/synonyms> |