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