- Definitions|3
- Thesaurus|1.2k
- Abbreviations|0
106 entries under support topic. ×
| testify(verb, law, state, make) | |
| affirm(verb, state, hold, show) | |
| certify(verb, state, show, maintain) | |
| confirm(verb, state, show, maintain) | |
| prove(verb, state, make, mean) | |
| verify(verb, state, show, determine) | |
| corroborate(verb, state, show, determine) | |
| witness(verb, law, state, make) | |
| authenticate(verb, state, show, determine) | |
| evidence(verb, show, maintain, determine) | |
| ratify(verb, state, show, maintain) | |
| substantiate(verb, show, determine, back) | |
| aver(verb, state, hold, show) | |
| warrant(verb, state, show, press) | |
| swear(verb, law, state, hold) | |
| validate(verb, state, show, maintain) | |
| endorse(verb, state, maintain, secure) | |
| guarantee(noun, verb, state, maintain) | |
| vouch(verb, state, maintain, back) | |
| assure(verb, state, maintain, secure) |
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| APA | Smart Define. (2015). attest thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/attest/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "attest thesaurus" https://smartdefine.org/attest/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, attest thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/attest/thesaurus/synonyms>. |
| MLA | Smart Define. "attest thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/attest/thesaurus/synonyms> |