160 entries under support topic. ×

4
vindicate(verb, maintain, defend, prove)
3
check out(verb, expression, phrasal verb, back)
3
contend(verb, maintain, back, declare)
3
keep(verb, match, tally, coincide)
3
okay(verb, state, maintain, back)
3
profess(verb, state, maintain, back)
3
subscribe(verb, back, sign, confirm)
2
attest to(verb, expression, phrasal verb, maintain)
2
debunk(verb, back, sign, idea)
2
explain(verb, show, determine, back)
2
give high sign(expression, idiom, back, sign)
2
give stamp of approval(expression, idiom, back, sign)
2
give the nod(expression, idiom, back, sign)
2
make good(verb, expression, idiom, back)
2
observe(verb, match, tally, coincide)
2
rubber-stamp(verb, state, maintain, back)
2
settle(verb, show, determine, back)
1
act as a witness(verb, expression, idiom, maintain)
1
add(verb, increase, establish, extend)
1
add fuel to fire(verb, expression, idiom, increase)
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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>