84 entries under promise topic. ×

26
testify(verb, law, support, state, make)
21
affirm(verb, support, state, hold, show)
19
certify(verb, support, state, show, maintain)
19
confirm(verb, support, state, show, maintain)
17
bear witness(verb, expression, idiom, law, state)
17
prove(verb, support, state, make, mean)
16
witness(verb, law, support, state, make)
14
assert(verb, state, hold, show, present)
14
declare(verb, state, hold, show, press)
13
evidence(verb, support, show, maintain, determine)
12
aver(verb, support, state, hold, show)
12
warrant(verb, support, state, show, press)
12
swear(verb, law, support, state, hold)
10
endorse(verb, support, state, maintain, secure)
10
guarantee(noun, verb, support, state, maintain)
10
support(verb, show, maintain, secure, favor)
10
vouch(verb, support, state, maintain, back)
9
assure(verb, support, state, maintain, secure)
9
evince(verb, support, state, make, mean)
9
state(verb, hold, press, maintain, declare)
11 years ago|13k views|share |citing 
APASmart Define. (2015). attest thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/attest/thesaurus/synonyms
ChicagoSmart Define. 2015. "attest thesaurus" https://smartdefine.org/attest/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, attest thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/attest/thesaurus/synonyms>.
MLASmart Define. "attest thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/attest/thesaurus/synonyms>