If you atone for something that you have done, you do something to show that you are sorry you did it. He felt he had atoned for what he had done to his son = repent. to do something to show that you are sorry for having done something wrong atone for (at one )
or Aten In ancient Egyptian religion, a sun god, depicted as the solar disk emitting rays terminating in human hands. The pharaoh Akhenaton (r. 1353-36 BC) declared Aton to be the only god, and in opposition to the Amon-Re priesthood of Thebes, built the city of Akhetaton as the center for Aton's worship, but Aton's religion is poorly understood. After Akhenaton's death, the old religion was restored