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Assert under oath has 9 synonyms. The top synonyms for assert under oath are warrant, vow, vouch, testify, swear to, swear, guarantee, attest and 1 more. Another word for assert under oath is warrant. Browse the full list below.
| Length
| Random | DefinitionA common synonym for assert under oath is warrant. Other synonyms include vow, vouch, testify, swear to.
Assert under oath has 9 synonyms listed on Thesaurasize.
(v): past tense and past participle of the verb to ascertain
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