absolve from

absolve (one) from

To declare that someone is free from blame or responsibility for something. The evidence that the defense attorney presented in court convinced the jury to absolve his client from the crime. I know you're sorry. I absolve you from your guilt, son.
See also: absolve

absolve someone from something

 and absolve someone of something
to prove that an accused person is innocent of something; to demonstrate that someone is not responsible for something. Bob attempted to absolve himself of the crime.
See also: absolve