Forgetting (n.) is mostly composed of a falling away of the links between various ideas, a failure to draw conclusions, an isolating of certain memories.
Forgetting (n.) is a protective process or mechanism, one by which consciousness is protected from influences which would interfere with the harmony essential to pleasure or comfort.
Forgetting (n.) is not a passive process, dependent on lack of interest and meaning, or varying with the intensity of an impression, but is an active process in which some part of the mental content is suppressed.
Forgetting (n.) is not a random result of erosion or entropy, but is purposeful conduct. But for Freud forgetting is a conduct performed without the knowledge of its actor.
Forgetting (n.) is only a particular form of memory, one whereby memory is generated in the form of repetition, as the compromise formations of phantasy life.
Forgetting (n.) is something we've learned to do in the service of some need. Thus it is a lived memory of a forgotten forgetting.