To unintentionally reveal a secret, divulge undisclosed information, or expose someone.
To concede.
To formally hand over a bride to the bridegroom; often by her father.
To relinquish control over.
To concede an advantage in weight, time, height etc.
To make a gift of (something).
To remove a veil from; to uncover; to reveal something hidden.
To remove a veil; to reveal oneself.
to show, especially for the first time