1
declare true(verb, expression, confirm, story, verify)
1
denominate(verb, authorize)
1
deputize(verb, authorize)
1
designate(verb, authorize)
1
double-check(verb, support, back, confirm, explain)
1
double check(verb, expression, confirm, story, verify)
1
enable(verb, authorize)
1
enfranchise(verb, authorize)
1
entitle(verb, authorize)
1
examine
1
exemplify(verb, evince)
1
formalize
1
fortify
1
genuine(verb, adjective, confirm, validate)
1
give a boost to(verb, expression, idiom, support, praise)
1
give nod(verb, expression, confirm, story, verify)
1
give permission
1
give proof(expression, idiom, detail, record)
1
give the green light(expression, idiom, endorse, prove, verify)
1
give the imprimatur(expression, idiom)
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APASmart Define. (2015). authenticate thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/authenticate/thesaurus/synonyms
ChicagoSmart Define. 2015. "authenticate thesaurus" https://smartdefine.org/authenticate/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, authenticate thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/authenticate/thesaurus/synonyms>.
MLASmart Define. "authenticate thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/authenticate/thesaurus/synonyms>