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2Significado: defendsubstantiate justify maintain supportuphold corroborate assert vindicate
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3Significado: maintainconfirm corroborate warrant contendassert claim argue justify
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4Significado: proveauthenticate confirm validate ratifyverify corroborate attest substantiate
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5Significado: activityverify ascertain corroborate confirm certifydemonstrate affirm determine prove
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6Significado: substantiateback up bolster confirm authenticatecorroborate validate verify strengthen
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7Significado: verifyconfirm corroborate ratify authenticateendorse accredit certify