50 entries under rational topic. ×
| binding(sound, reasonable) | |
| bona fide(expression, good, sound, right, reasonable) | |
| cogent(sound, reasonable) | |
| compelling(sound, reasonable) | |
| conclusive(sound, reasonable) | |
| convincing(sound, reasonable, reliable, trustworthy) | |
| credible(good, sound, right, reasonable) | |
| defensible(sound, reasonable) | |
| determinative(sound, reasonable) | |
| efficacious(good, sound, right, reasonable) | |
| efficient(good, sound, right, reasonable) | |
| good(sound, right, reasonable, genuine) | |
| in force(expression, good, sound, right, reasonable) | |
| justifiable(sound, reasonable) | |
| lawful(good, sound, right, reasonable, proper) | |
| legal(good, sound, right, reasonable, proper) | |
| legitimate(good, sound, right, reasonable) | |
| logical(good, sound, right, reasonable) | |
| original(good, sound, right, reasonable) | |
| persuasive(good, sound, right, reasonable) |
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| APA | Smart Define. (2016). confirmed thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/confirmed/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "confirmed thesaurus" https://smartdefine.org/confirmed/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, confirmed thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/confirmed/thesaurus/synonyms>. |
| MLA | Smart Define. "confirmed thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/confirmed/thesaurus/synonyms> |