58 entries under state topic. ×

4
avow(verb, support, maintain, back)
4
evince(verb, show, determine, declare)
4
guarantee(verb, support, maintain, back)
4
sanction(verb, support, back, sign)
3
bear witness(verb, expression, show, declare)
3
countersign(verb, show, sign, confirm)
3
exhibit(verb, show, confirm, indicate)
3
okay(verb, support, maintain, back)
3
profess(verb, support, maintain, back)
3
swear(verb, show, confirm, prove)
3
vouch for(verb, expression, show, sign)
2
betoken(verb, show, declare, sign)
2
depose(verb, show, declare, sign)
2
give evidence(verb, expression, idiom, show)
2
indicate(verb, show, declare, sign)
2
rubber-stamp(verb, support, maintain, back)
1
announce(verb, show, declare, sign)
1
argue(verb, show, maintain, declare)
1
ascertain(verb, show, determine, confirm)
1
authorize(verb, make, base, approve)
11 years ago|14k views|share |citing 
APASmart Define. (2015). corroborate thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/corroborate/thesaurus/synonyms
ChicagoSmart Define. 2015. "corroborate thesaurus" https://smartdefine.org/corroborate/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, corroborate thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/corroborate/thesaurus/synonyms>.
MLASmart Define. "corroborate thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/corroborate/thesaurus/synonyms>