70 entries under declare topic. ×

45
pledge(noun, verb, support, give, pass)
29
swear(noun, verb, hold, press, maintain)
20
guarantee(noun, verb, support, maintain, pass)
16
covenant(noun, verb, pass, agree)
15
assure(verb, support, maintain, agree, back)
15
plight(noun, verb, agree, agreement)
13
warrant(noun, verb, support, maintain, agree)
11
affirm(verb, support, maintain, back)
11
vouch(verb, support, give, pass)
10
assert(verb, support, hold, press, maintain)
10
undertake(verb, agree, approve, uphold)
9
asseverate(verb, support, hold, press, maintain)
9
avow(verb, support, maintain, back)
7
contract(noun, verb, agree, agreement)
6
engage(verb, pass, agree, contract)
6
commit(verb, pass, agree, contract)
6
take an oath(verb, expression, idiom, agree)
6
testify(verb, support, maintain, back)
5
profess(verb, support, maintain, back)
4
certify(verb, support, maintain, back)
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APASmart Define. (2015). vow thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/vow/thesaurus/synonyms
ChicagoSmart Define. 2015. "vow thesaurus" https://smartdefine.org/vow/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, vow thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/vow/thesaurus/synonyms>.
MLASmart Define. "vow thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/vow/thesaurus/synonyms>