98 entries under affirm topic. ×

19
vow(noun, verb, hold, press, maintain)
18
testify(verb, law, support, state, give)
17
assert(verb, state, hold, show, press)
17
aver(verb, support, state, hold, show)
17
avow(verb, state, hold, press, maintain)
17
declare(verb, state, hold, show, press)
16
warrant(verb, support, state, show, press)
15
pledge(noun, verb, support, maintain, secure)
13
state(noun, verb, hold, press, maintain)
12
guarantee(verb, state, maintain, declare, agreement)
11
attest(verb, law, support, state, hold)
10
assure(verb, support, state, maintain, secure)
10
certify(verb, support, state, show, maintain)
10
undertake(verb, agree, declare, approve, uphold)
9
vouch(verb, state, maintain, declare, tell)
8
confirm(verb, support, state, show, maintain)
8
covenant(noun, verb, agree, declare, agreement)
7
avouch(verb, state, press, maintain, declare)
7
insist(verb, state, hold, order, press)
7
take an oath(verb, expression, idiom, declare, approve)
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APASmart Define. (2016). swear thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/swear/thesaurus/synonyms
ChicagoSmart Define. 2016. "swear thesaurus" https://smartdefine.org/swear/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, swear thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/swear/thesaurus/synonyms>.
MLASmart Define. "swear thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/swear/thesaurus/synonyms>