To clarify or make something easier to understand.

To rationalize or reduce the significance of something.

औचित्य सिद्ध करना

English Usage: He tried to explain away his mistake by saying it was just a misunderstanding.

Hindi Usage: उसने कहा कि यह केवल एक गलतफहमी थी, इसलिए उसने अपनी गलती को औचित्य सिद्ध करने की कोशिश की।