289 entries under adjective topic. ×
| weighty(clear, sound, right, reasonable) | |
| well-founded(good, sound, right, reasonable) | |
| absolute(clear, correct, honest, true) | |
| confirmed(sound, right, reasonable, rational) | |
| well-grounded(good, sound, right, reasonable) | |
| compelling(clear, direct, sound, right) | |
| exact(good, open, correct, honest) | |
| forceful(clear, strong, power, direct) | |
| forcible(strength, violent, important, powerful) | |
| irrefutable(clear, sound, right, reasonable) | |
| justifiable(reasonable, sensible, proper, logical) | |
| meaningful(clear, significant, apt, effective) | |
| binding(characteristic, sound, right, reasonable) | |
| competent(good, power, suitable, acceptable) | |
| reliable(good, clear, open, right) | |
| adequate(good, power, suitable, acceptable) | |
| rational(sound, reasonable, sensible, proper) | |
| attested(sound, right, reasonable, rational) | |
| authorized(fair, proper, legitimate, lawful) | |
| certain(correct, honest, true, straight) |
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| APA | Smart Define. (2016). valid thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/valid/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "valid thesaurus" https://smartdefine.org/valid/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, valid thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/valid/thesaurus/synonyms>. |
| MLA | Smart Define. "valid thesaurus" 31 March 2016. Web. 20 September 2026. <https://smartdefine.org/valid/thesaurus/synonyms> |