68 entries under maintain topic. ×

45
confirm(verb, support, state, show, increase)
33
substantiate(verb, support, show, increase, present)
32
verify(verb, support, state, show)
27
support(verb, show, increase, establish)
24
certify(verb, support, state, show)
23
affirm(verb, support, state, show)
20
prove(verb, support, state, show)
16
establish(verb, support, show, increase)
15
bear out(verb, expression, phrasal verb, support, show)
12
uphold(verb, support, show, determine)
11
warrant(verb, support, state, show)
8
justify(verb, support, show, increase)
6
witness(verb, support, state, show)
5
assure(verb, support, state, back)
5
declare(verb, support, state, show)
4
assert(verb, support, state, show)
4
avow(verb, support, state, back)
4
guarantee(verb, support, state, back)
4
vindicate(verb, support, defend, prove)
3
claim(verb, defend, uphold, prove)
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APASmart Define. (2015). corroborate thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/corroborate/thesaurus/synonyms
ChicagoSmart Define. 2015. "corroborate thesaurus" https://smartdefine.org/corroborate/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, corroborate thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/corroborate/thesaurus/synonyms>.
MLASmart Define. "corroborate thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/corroborate/thesaurus/synonyms>