66 entries under undertake topic. ×

6
state(verb, approve, uphold, explain, require)
6
take an oath(verb, expression, idiom, agree, declare)
6
testify(verb, support, maintain, back, declare)
5
depose(verb, assert, affirm, promise)
5
profess(verb, support, maintain, back, declare)
4
consent(noun, verb, agree, declare, agreement)
4
dedicate(verb, give, offer, promise)
4
maintain(verb, support, hold, back, declare)
3
attest(verb, approve, confirm, uphold, assert)
3
betroth(verb, pass, agree, declare, commit)
3
compact(noun, verb, agree, declare, agreement)
3
confirm(verb, support, maintain, back, declare)
3
stipulate(verb, agree, declare, approve, uphold)
2
affiance(noun, verb, pass, agree, declare)
2
say so(verb, expression, support, maintain, agree)
2
swear up and down(verb, expression, idiom, phrasal verb, support)
2
underwrite(verb, agree, declare, approve, uphold)
1
accede(verb, agree, declare, commit)
1
answer for(verb, expression, support, maintain, agree)
1
assent(verb, agree, declare, commit)
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APASmart Define. (2015). vow thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/vow/thesaurus/synonyms
ChicagoSmart Define. 2015. "vow thesaurus" https://smartdefine.org/vow/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, vow thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/vow/thesaurus/synonyms>.
MLASmart Define. "vow thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/vow/thesaurus/synonyms>