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