Atone

atone [ uh'-TOHN ]
[ intransitive verb, transitive verb ]

MEANING :
1. (intr. v.) to make amends or appease
2. (tr. v.) to expiate or to suffer or do penance for doing wrong

USAGE EXAMPLE 1 :
He begged to be given an opportunity so that he could atone for his sins.

USAGE EXAMPLE 2 :
An Indian man has "married" a female dog, hoping the move will help atone for stoning two other dogs to death.