123 entries under reasonable topic. ×
| bona fide(expression, sound, honest, rational) | |
| commonsense(sound, rational) | |
| confirmed(sound, rational) | |
| customary(sensible, natural, normal, valid) | |
| defensible(sound, rational) | |
| faithful(correct, solid, proper, moral) | |
| hopeful(solid, realistic, persuasive, credible) | |
| official(sound, rational, valid, lawful) | |
| original(sound, significant, rational, weighty) | |
| possible(solid, realistic, persuasive, credible) | |
| presumable(solid, realistic, persuasive, credible) | |
| proven(sound, rational) | |
| received(sensible, natural, normal, valid) | |
| recognized(sensible, natural, normal, valid) | |
| regular(correct, sensible, proper, natural) | |
| swaying(solid, realistic, winning, persuasive) | |
| tested(sound, rational) | |
| trusty(adjective, honest, solid, pure) | |
| typical(sensible, natural, normal, valid) | |
| unadulterated(adjective, good, sound, right) |
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| APA | Smart Define. (2016). cogent thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/cogent/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "cogent thesaurus" https://smartdefine.org/cogent/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, cogent thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/cogent/thesaurus/synonyms>. |
| MLA | Smart Define. "cogent thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/cogent/thesaurus/synonyms> |