127 entries under prove topic. ×
| vouch(verb, support, state, give, maintain) | |
| authorize(verb, support, state, make, meet) | |
| show(verb, state, maintain, determine, declare) | |
| declare(verb, support, state, show, maintain) | |
| ensure(verb, support, maintain, secure, approve) | |
| vouch for(verb, expression, phrasal verb, support, show) | |
| aver(verb, support, state, show, maintain) | |
| swear(verb, support, state, show, maintain) | |
| back(verb, support, show, accept, maintain) | |
| document(verb, show, determine, confirm, explain) | |
| assert(verb, support, state, show, maintain) | |
| bear out(verb, expression, support, show, determine) | |
| bear witness(verb, expression, idiom, state, show) | |
| determine(verb, make, show, base, discover) | |
| sustain(verb, support, show, determine, favor) | |
| uphold(verb, support, show, accept, maintain) | |
| ascertain(verb, state, show, determine, establish) | |
| countersign(verb, state, show, sign, approve) | |
| insure(verb, support, maintain, secure, establish) | |
| sign(noun, verb, support, accept, favor) |
For more, visit
Certify on
Power Thesaurus
| APA | Smart Define. (2016). certify thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/certify/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "certify thesaurus" https://smartdefine.org/certify/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, certify thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/certify/thesaurus/synonyms>. |
| MLA | Smart Define. "certify thesaurus" 11 January 2016. Web. 24 September 2026. <https://smartdefine.org/certify/thesaurus/synonyms> |