| vouchsafe | |
| vow(verb, support, maintain, back, declare) | |
| adduce(verb, evince) | |
| allege(verb, state, maintain, agree, allow) | |
| bless(verb, support, accept, praise, favor) | |
| bond(verb, guarantee) | |
| check(verb, support, show, determine, back) | |
| contend(verb, support, state, maintain, back) | |
| enfranchise(verb, authorize) | |
| give permission(verb, expression, support, make, release) | |
| give the go-ahead(verb, expression, idiom, support, release) | |
| make(allow, permit, authorize) | |
| pass on(verb, expression, support, release, pass) | |
| present | |
| pronounce(verb, support, state, accept, maintain) | |
| recognize(verb, support, accept, release, pass) | |
| sign and seal(expression, idiom, evidence) | |
| stand up for(expression, idiom, support, state, maintain) | |
| swear to(verb, expression, support, maintain, back) | |
| undersign |
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| APA | Smart Define. (2016). certify thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/certify/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "certify thesaurus" https://smartdefine.org/certify/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, certify thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/certify/thesaurus/synonyms>. |
| MLA | Smart Define. "certify thesaurus" 11 January 2016. Web. 21 September 2026. <https://smartdefine.org/certify/thesaurus/synonyms> |