Synonyms|819Antonyms|102|Broader|18Narrower|6Related|322
4
affirm
3
assert
3
avow
3
bear witness
3
testify
3
verify
2
aver
2
prove
2
show
1
affirmation
1
argue
1
certify
1
ensure
1
evidence
1
speech
1
swan
0
declare
0
swear
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APASmart Define. (2015). attest thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/attest/thesaurus/broader
ChicagoSmart Define. 2015. "attest thesaurus" https://smartdefine.org/attest/thesaurus/broader (accessed September 21, 2026).
HarvardSmart Define 2015, attest thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/attest/thesaurus/broader>.
MLASmart Define. "attest thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/attest/thesaurus/broader>