80 entries under uphold topic. ×

33
substantiate(verb, support, show, increase, present)
32
verify(verb, support, state, show, maintain)
27
support(verb, show, increase, maintain, establish)
23
affirm(verb, support, state, show, maintain)
20
prove(verb, support, state, show, maintain)
17
attest(verb, support, state, show, determine)
16
establish(verb, support, show, increase, maintain)
15
bear out(verb, expression, phrasal verb, support, show)
13
back(verb, support, show, present, determine)
11
warrant(verb, support, state, show, maintain)
9
vouch(verb, support, state, give, back)
7
underpin(verb, support, back, sign)
6
witness(verb, support, state, show, maintain)
5
circumstantiate(verb, support, determine, back, sign)
5
declare(verb, support, state, show, maintain)
4
assert(verb, support, state, show, maintain)
4
avow(verb, support, state, maintain, back)
4
check(verb, support, show, determine, back)
4
guarantee(verb, support, state, maintain, back)
4
maintain(verb, support, back, declare, confirm)
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APASmart Define. (2015). corroborate thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/corroborate/thesaurus/synonyms
ChicagoSmart Define. 2015. "corroborate thesaurus" https://smartdefine.org/corroborate/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, corroborate thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/corroborate/thesaurus/synonyms>.
MLASmart Define. "corroborate thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/corroborate/thesaurus/synonyms>