67 entries under rational topic. ×
| weighty(adjective, clear, sound, right, reasonable) | |
| well-founded(adjective, good, sound, right, reasonable) | |
| confirmed(adjective, sound, right, reasonable) | |
| well-grounded(adjective, good, sound, right, reasonable) | |
| compelling(adjective, clear, direct, sound, right) | |
| irrefutable(adjective, clear, sound, right, reasonable) | |
| binding(adjective, characteristic, sound, right, reasonable) | |
| attested(adjective, sound, right, reasonable) | |
| fair(adjective, good, clear, sound, correct) | |
| legit(adjective, good, clear, open, direct) | |
| efficient(adjective, power, sound, right, reasonable) | |
| wise(clear, sound, reasonable, sensible) | |
| commonsensical(clear, sound, reasonable, sensible) | |
| relevant(adjective, clear, sound, reasonable, appropriate) | |
| unadulterated(adjective, sound, right, reasonable, pure) | |
| determinative(adjective, sound, right, reasonable, honest) | |
| pure(adjective, sound, right, reasonable, honest) | |
| stringent(adjective, sound, right, reasonable, severe) | |
| tested(adjective, sound, right, reasonable) | |
| analytical(adjective, clear, sound, reasonable, honest) |
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> |