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