67 entries under rational topic. ×
| legitimate(adjective, clear, sound, correct, right) | |
| true(adjective, good, quality, open, direct) | |
| sound(noun, adjective, characteristic, good, clear) | |
| authentic(adjective, quality, open, sound, correct) | |
| genuine(noun, adjective, quality, clear, open) | |
| right(adjective, sound, correct, reasonable, honest) | |
| logical(adjective, characteristic, clear, sound, right) | |
| accurate(adjective, good, open, direct, sound) | |
| convincing(adjective, characteristic, good, clear, open) | |
| reasonable(adjective, good, sound, sensible, solid) | |
| cogent(adjective, good, clear, power, direct) | |
| substantial(adjective, characteristic, sound, right, reasonable) | |
| solid(adjective, good, clear, sound, correct) | |
| good(adjective, open, sound, right, reasonable) | |
| just(adjective, good, sound, correct, right) | |
| powerful(adjective, clear, power, direct, sound) | |
| sensible(adjective, good, clear, open, sound) | |
| telling(adjective, good, clear, direct, sound) | |
| persuasive(adjective, sound, right, reasonable, solid) | |
| trustworthy(adjective, good, clear, sound, right) |
For more, visit
Valid on
Power Thesaurus
| APA | Smart Define. (2016). valid thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/valid/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "valid thesaurus" https://smartdefine.org/valid/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, valid thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/valid/thesaurus/synonyms>. |
| MLA | Smart Define. "valid thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/valid/thesaurus/synonyms> |