atone

(verb): To make reparation, compensation, amends or satisfaction for an offence, crime, mistake or deficiency.
(verb): To bring at one or at concordance; to reconcile; to suffer appeasement.
(verb): To agree or accord; to be in accordance or harmony.
(verb): To unite in making.
(verb): To absolve (someone else) of wrongdoing, especially by standing as an equivalent.