28
verify(verb, support, state, show, determine)
27
validate(verb, support, state, show, determine)
27
confirm(verb, support, state, show, determine)
24
certify(verb, support, state, show, determine)
24
corroborate(verb, support, state, show, determine)
24
substantiate(verb, support, show, determine, establish)
17
establish(verb, support, show, determine, settle)
17
prove(verb, support, show, determine, establish)
16
affirm(verb, support, show, determine, praise)
16
endorse(verb, support, state, check, show)
14
support(verb, show, favor, back, sign)
13
attest(verb, support, state, show, determine)
13
ratify(verb, support, show, determine, praise)
12
bear out(verb, expression, phrasal verb, support, show)
12
demonstrate(verb, support, show, determine, establish)
12
show(verb, support, state, show, determine)
11
approve(verb, support, state, praise, favor)
10
authorize(verb, support, state, praise, favor)
10
warrant(verb, support, show, determine, praise)
9
back(verb, support, show, determine, favor)
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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>