59 entries under undertake topic. ×

5
swear(verb, declare, approve, uphold, authorize)
3
promise(verb, give, approve, uphold, assert)
3
warrant(verb, agree, declare, approve, uphold)
2
assert(verb, approve, uphold, explain, require)
2
pledge(verb, agree, declare, approve, uphold)
2
vow(verb, agree, declare, approve, uphold)
1
accede(verb, support, accept, agree, declare)
1
affiance(verb, agree, declare, commit)
1
affirm(verb, declare, approve, uphold, assert)
1
agree(verb, support, accept, commit)
1
answer for(verb, expression, phrasal verb, agree, declare)
1
assent(verb, agree, declare, commit)
1
asservate(verb, agree, declare, commit)
1
assure(verb, agree, declare, approve, uphold)
1
attest(verb, approve, uphold, assert, authorize)
1
avow(verb, assert, affirm, promise)
1
bargain(verb, agree, declare, commit)
1
betroth(verb, agree, declare, commit)
1
bind(verb, agree, declare, commit)
1
commit(verb, agree, declare, affirm)
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APASmart Define. (2015). take an oath thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/take_an_oath/thesaurus/synonyms
ChicagoSmart Define. 2015. "take an oath thesaurus" https://smartdefine.org/take_an_oath/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, take an oath thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/take_an_oath/thesaurus/synonyms>.
MLASmart Define. "take an oath thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/take_an_oath/thesaurus/synonyms>