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37 entries under support topic. ×

3
certify(verb, maintain, back, confirm)
3
guarantee(verb, maintain, back, declare)
3
vouch(verb, give, back, confirm)
2
assert under oath(expression, idiom, guarantee)
2
attest(appear, guarantee, swear, testify)
2
cosign(verb, maintain, back, declare)
2
endorse
2
sign for(verb, expression, phrasal verb, maintain)
2
vouch for(verb, expression, appear, guarantee)
2
vow(verb, maintain, back, declare)
1
act as a witness(verb, expression, idiom, maintain)
1
assert(verb, state, maintain, back)
1
asseverate(verb, maintain, back, declare)
1
attest to(verb, expression, phrasal verb, maintain)
1
avert(verb, maintain, back, declare)
1
avow(verb, maintain, back, declare)
1
be responsible for(verb, maintain, back, declare)
1
bear testimony(verb, expression, maintain, back)
1
contend(verb, maintain, back, declare)
1
corroborate(verb, state, maintain, back)
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APASmart Define. (2015). swear to thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/swear_to/thesaurus/synonyms
ChicagoSmart Define. 2015. "swear to thesaurus" https://smartdefine.org/swear_to/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, swear to thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/swear_to/thesaurus/synonyms>.
MLASmart Define. "swear to thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/swear_to/thesaurus/synonyms>