2
stump for(verb, expression, phrasal verb, support, take)
2
support(noun, verb, take, maintain, promote)
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
tout(verb, support, take, promote, encourage)
2
uphold(verb, support, take, maintain, promote)
2
urge(verb, support, take, promote, encourage)
2
vindicate(verb, support, take, promote, encourage)
2
vouch(verb, state, give, maintain, agree)
2
vow(verb, support, maintain, agree, back)
2
warrant(noun, verb, support, state, control)
2
witness(noun, verb, support, state, maintain)
1
accede(verb, agree, declare, commit, undertake)
1
acknowledge(admit, assert, own, confess)
1
act as a witness(verb, expression, idiom, support, maintain)
1
act as if(expression, acknowledge, admit, assert, pretend)
1
admit(verb, take, accept, agree, allow)
1
advocate(verb, support, cause, promote, encourage)
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APASmart Define. (2015). say so thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/say_so/thesaurus/synonyms
ChicagoSmart Define. 2015. "say so thesaurus" https://smartdefine.org/say_so/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, say so thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/say_so/thesaurus/synonyms>.
MLASmart Define. "say so thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/say_so/thesaurus/synonyms>