217 entries under verb topic. ×

2
subscribe(support, back, sign, explain)
2
subscribe to(expression, support, praise, favor)
2
test(show, determine, display, idea)
2
underpin(support, back, sign, explain)
2
undersign
1
add up(expression, show, determine, confirm)
1
approbate
1
argue(state, show, sign, confirm)
1
ascertain(state, show, determine, confirm)
1
bear witness(expression, state, show, sign)
1
bear witness to(expression, phrasal verb)
1
buy(support, back, sign, prove)
1
check on(expression, confirm, story, verify)
1
check up(expression, idea, confirm, prove)
1
check up on(expression, idiom, check, confirm)
1
chronicle(detail, record)
1
commend(support, praise, favor, back)
1
connote
1
countenance(support, favor, back, approve)
1
declare true(expression, confirm, story, verify)
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APASmart Define. (2015). authenticate thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/authenticate/thesaurus/synonyms
ChicagoSmart Define. 2015. "authenticate thesaurus" https://smartdefine.org/authenticate/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, authenticate thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/authenticate/thesaurus/synonyms>.
MLASmart Define. "authenticate thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/authenticate/thesaurus/synonyms>