2
cosign(verb, support, maintain, secure, back)
2
cross heart(expression, state, maintain, agree, allow)
2
debunk(verb, support, back, confirm, prove)
2
deputize(verb, authorize)
2
designate(verb, authorize)
2
double-check(verb, support, check, back, confirm)
2
endure(verb, support, release, pass, favor)
2
favor(verb, support, accept, release, pass)
2
find out(verb, expression, make, check, determine)
2
franchise
2
free up(verb, expression, support, make, release)
2
get behind(verb, expression, support, accept, maintain)
2
give a blank check(expression, idiom, support, release, pass)
2
give carte blanche(expression, idiom, support, release, pass)
2
give leave(verb, expression, support, make, release)
2
give the green light(verb, expression, idiom, support, release)
2
give the nod(expression, idiom, support, praise, favor)
2
go along with(verb, expression, idiom, support, accept)
2
grant permission(verb, expression, support, release, pass)
2
hear of(verb, expression, support, make, release)
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APASmart Define. (2016). certify thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/certify/thesaurus/synonyms
ChicagoSmart Define. 2016. "certify thesaurus" https://smartdefine.org/certify/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, certify thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/certify/thesaurus/synonyms>.
MLASmart Define. "certify thesaurus" 11 January 2016. Web. 20 September 2026. <https://smartdefine.org/certify/thesaurus/synonyms>