Synonyms|876Antonyms|152|Broader|22Narrower|17Related|343
3
authorise
3
authorize
3
bear witness
3
guarantee(noun, verb)
2
affirm
2
declare
2
pass
2
prove
2
testify
1
activity
1
adjudge
1
approve
1
ascertain
1
clear
1
evidence
1
legalize
1
show
1
speech(verb, adjective)
1
verify
0
hold
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APASmart Define. (2016). certify thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/certify/thesaurus/broader
ChicagoSmart Define. 2016. "certify thesaurus" https://smartdefine.org/certify/thesaurus/broader (accessed September 20, 2026).
HarvardSmart Define 2016, certify thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/certify/thesaurus/broader>.
MLASmart Define. "certify thesaurus" 11 January 2016. Web. 20 September 2026. <https://smartdefine.org/certify/thesaurus/broader>