483 entries under verb topic. ×

2
rubber-stamp(support, state, maintain, praise)
2
safeguard(secure, establish, confirm, protect)
2
say so(expression, support, state, maintain)
2
shew
2
sign for(expression, support, maintain, secure)
2
sponsor
2
stand(support, release, pass, favor)
2
strengthen(confirm, story, verify, substantiate)
2
suffer(support, make, release, pass)
2
swear up and down(expression, idiom, support, state)
2
tell(state, check, maintain, establish)
2
tolerate(support, make, release, pass)
2
undertake
1
accede(support, accept, favor, agree)
1
acquiesce(support, accept, favor, agree)
1
add up(expression, show, determine, confirm)
1
advance(state, maintain, reveal, acknowledge)
1
allegate(state, maintain, tell, reveal)
1
angel(support, maintain, secure, protect)
1
asservate(state, show, maintain, tell)
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APASmart Define. (2016). certify thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/certify/thesaurus/synonyms
ChicagoSmart Define. 2016. "certify thesaurus" https://smartdefine.org/certify/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, certify thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/certify/thesaurus/synonyms>.
MLASmart Define. "certify thesaurus" 11 January 2016. Web. 23 September 2026. <https://smartdefine.org/certify/thesaurus/synonyms>