124 entries under confirm topic. ×

2
rubber-stamp(verb, support, state, maintain, praise)
2
sanction(noun, verb, support, state, favor)
2
say so(verb, expression, support, state, maintain)
2
seal(show, sign, prove, appear)
2
sign for(expression, support, maintain, secure, back)
2
stand behind(expression, support, maintain, praise, secure)
2
stand up for(verb, expression, idiom, support, state)
2
state(verb, maintain, declare, assert)
2
sustain(verb, support, show, determine, praise)
2
swear up and down(expression, idiom, support, state, maintain)
2
undersign(verb, sign, evidence)
2
uphold(verb, support, show, maintain, determine)
1
accredit(verb, support, state, praise, favor)
1
adjure(show, prove, appear, promise)
1
advocate(noun, verb, support, favor, back)
1
authorize(verb, support, state, praise, favor)
1
back up(verb, expression, support, praise, favor)
1
cinch(verb, state, maintain, declare)
1
clinch(verb, state, maintain, declare)
1
commend(verb, support, praise, favor, back)
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APASmart Define. (2015). witness thesaurus. Retrieved October 2, 2026, from https://smartdefine.org/witness/thesaurus/synonyms
ChicagoSmart Define. 2015. "witness thesaurus" https://smartdefine.org/witness/thesaurus/synonyms (accessed October 2, 2026).
HarvardSmart Define 2015, witness thesaurus, Smart Define, viewed 2 October, 2026, <https://smartdefine.org/witness/thesaurus/synonyms>.
MLASmart Define. "witness thesaurus" 23 December 2015. Web. 2 October 2026. <https://smartdefine.org/witness/thesaurus/synonyms>