atone. ( əˈtəʊn) vb. 1. (foll by: for) to make amends or reparation (for a crime, sin, etc) 2. ( tr) to expiate: to atone a guilt with repentance. 3. obsolete to be in or bring into agreement. [C16: back formation from atonement]
https://www.thefreedictionary.com/atone