Repentance

A private attitude of contrition accompanied by a motive to avoid repeating the transgression. Differs from guilt. See also moral emotions.

Reference:

Exline, J. J., & Baumeister, R. F. (2000). Expressing forgiveness and repentance. In McCullough, M.E. Pargament, K.I & Thoresen, C.E. (Eds.) Forgiveness: Theory, research, and practice. New York: Guildford, 133-155.