atone

To make reparation, compensation, amends or satisfaction for an offence, crime, mistake or deficiency.

He tried to atone for his mistakes by working harder.

She gave a donation to atone for her past actions.

To bring at one or at concordance; to reconcile; to suffer appeasement.

To agree or accord; to be in accordance or harmony.

To unite in making.

To absolve (someone else) of wrongdoing, especially by standing as an equivalent.