63 entries under undertake topic. ×

5
engage(verb, agree, declare, contract, commit)
5
profess(verb, state, hold, press, maintain)
5
stipulate(verb, show, present, agree, declare)
4
have confidence in(verb, expression, idiom, phrasal verb, declare)
4
plight(noun, verb, agree, declare, agreement)
2
affiance(noun, verb, declare, agreement, contract)
2
answer for(verb, expression, support, maintain, secure)
2
asservate(verb, state, show, press, maintain)
2
betroth(verb, declare, commit, affirm)
2
consent(noun, verb, declare, agreement, contract)
2
contract(noun, verb, agree, declare, agreement)
2
depend on(verb, expression, phrasal verb, declare)
2
ensure(verb, support, maintain, secure, declare)
2
make an affidavit(verb, expression, idiom, declare)
2
mortgage(verb, support, maintain, secure, declare)
2
pledge oneself(verb, expression, idiom, declare)
2
say so(verb, expression, state, maintain, declare)
2
state under oath(verb, expression, idiom, declare)
2
swear up and down(verb, expression, idiom, phrasal verb, state)
2
underwrite(verb, declare, approve, uphold, authorize)
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APASmart Define. (2016). swear thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/swear/thesaurus/synonyms
ChicagoSmart Define. 2016. "swear thesaurus" https://smartdefine.org/swear/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, swear thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/swear/thesaurus/synonyms>.
MLASmart Define. "swear thesaurus" 31 March 2016. Web. 26 September 2026. <https://smartdefine.org/swear/thesaurus/synonyms>