133 entries under reasonable topic. ×
| unanswerable(adjective, sound, right, rational) | |
| uncorrupted(adjective, sound, right, rational) | |
| aboveboard(adjective, honest, solid, fair) | |
| all right(expression, adjective, good, honest) | |
| allowable(proper, legal, legitimate, permitted) | |
| analytic(clear, sound, sensible, rational) | |
| average(adjective, good, moderate, honest) | |
| clear(adjective, sound, firm, sensible) | |
| congruent(clear, sound, sensible, rational) | |
| decent(adjective, good, honest, fair) | |
| deducible(clear, sound, sensible, rational) | |
| defensible(adjective, sound, rational, justified) | |
| discerning(clear, sound, sensible, rational) | |
| discriminating(clear, sound, sensible, rational) | |
| extensional(clear, sound, sensible, rational) | |
| good enough(expression, adjective, good, solid) | |
| holding together(expression, sensible, proper, accepted) | |
| holding water(expression, sensible, proper, accepted) | |
| inferential(clear, sound, sensible, rational) | |
| juridicious(clear, sound, sensible, rational) |
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| APA | Smart Define. (2016). valid thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/valid/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "valid thesaurus" https://smartdefine.org/valid/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, valid thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/valid/thesaurus/synonyms>. |
| MLA | Smart Define. "valid thesaurus" 31 March 2016. Web. 20 September 2026. <https://smartdefine.org/valid/thesaurus/synonyms> |