192 entries under sound topic. ×
| justifiable(adjective, clear, reasonable, honest) | |
| levelheaded(adjective, calm, good, quiet, hard) | |
| sapient(adjective, reason, sensible, proper) | |
| stable(adjective, reasonable, sensible, normal) | |
| believable(adjective, reasonable, honest, sensible) | |
| cogent(adjective, clear, reasonable, sensible) | |
| coherent(adjective, clear, reasonable, sensible) | |
| right(adjective, reasonable, honest, sensible) | |
| valid(reasonable, sensible, proper, logical) | |
| astute(adjective, understanding, hard, tough) | |
| just(adjective, adverb, good, reasonable) | |
| moderate(adjective, reasonable, sensible, fair) | |
| pragmatic(adjective, hard, tough, reasonable) | |
| reflective(adjective, reasonable, honest, sensible) | |
| tenable(adjective, reasonable, honest, sensible) | |
| well-founded(adjective, reasonable, reason, logical) | |
| analytic(adjective, clear, reasonable, reason) | |
| commonsense(adjective, hard, reasonable, sensible) | |
| deliberate(adjective, reasonable, sensible, restrained) | |
| fair(adjective, good, clear, reasonable) |
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| APA | Smart Define. (2016). rational thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/rational/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "rational thesaurus" https://smartdefine.org/rational/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, rational thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/rational/thesaurus/synonyms>. |
| MLA | Smart Define. "rational thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/rational/thesaurus/synonyms> |