Followed by of (and formerly by from): to discharge, release, or set free from a burden, duty, liability, or obligation, or from an accusation or charge.
To declare or find innocent or not guilty.
To discharge (for example, a claim or debt); to clear off, to pay off; to fulfil.
To bear or conduct oneself; to perform one's part.
To clear oneself.
To free or release from a state of imprisonment.