68 entries under support topic. ×

22
attest(verb, law, state, make)
18
certify(verb, state, show, maintain)
18
prove(verb, state, make, mean)
18
swear(verb, law, state, give)
17
declare(verb, state, give, charge)
17
affirm(verb, state, charge, show)
15
assert(verb, state, give, mean)
15
aver(verb, state, charge, show)
15
evidence(noun, verb, show, present)
15
witness(verb, law, state, make)
12
warrant(verb, state, show, present)
12
confirm(verb, state, show, maintain)
9
avow(verb, state, charge, maintain)
9
evince(verb, state, make, give)
8
asseverate(verb, state, give, mean)
8
corroborate(verb, state, show, back)
8
maintain(verb, state, charge, present)
8
verify(verb, state, show, back)
7
substantiate(verb, show, maintain, back)
6
profess(verb, state, charge, maintain)
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APASmart Define. (2015). testify thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/testify/thesaurus/synonyms
ChicagoSmart Define. 2015. "testify thesaurus" https://smartdefine.org/testify/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, testify thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/testify/thesaurus/synonyms>.
MLASmart Define. "testify thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/testify/thesaurus/synonyms>