Synonyms|684Antonyms|7|Broader|0Narrower|1Related|4

59 entries under undertake topic. ×

2
affirm(verb, support, state, maintain, agree)
2
assert(verb, support, state, maintain, favor)
2
attest(verb, state, maintain, declare, confirm)
2
aver(verb, state, maintain, agree, allow)
2
avow(verb, support, state, maintain, agree)
2
confirm(verb, support, state, maintain, agree)
2
cross heart(verb, expression, state, maintain, agree)
2
declare(verb, support, state, maintain, agree)
2
depose(verb, state, agree, allow, declare)
2
guarantee(verb, support, state, maintain, favor)
2
maintain(verb, support, state, favor, agree)
2
profess(verb, support, state, maintain, agree)
2
state(verb, maintain, agree, allow, declare)
2
swear(verb, state, maintain, declare, confirm)
2
swear on bible(verb, expression, idiom, state, maintain)
2
swear up and down(verb, expression, idiom, phrasal verb, support)
2
testify(verb, support, state, maintain, back)
2
vouch(verb, state, give, maintain, agree)
2
vow(verb, support, maintain, agree, back)
2
warrant(noun, verb, support, state, control)
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APASmart Define. (2015). say so thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/say_so/thesaurus/synonyms
ChicagoSmart Define. 2015. "say so thesaurus" https://smartdefine.org/say_so/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, say so thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/say_so/thesaurus/synonyms>.
MLASmart Define. "say so thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/say_so/thesaurus/synonyms>