Emily Dickinson Lexicon

FOR-GET'FUL-NESS, n.

1. The quality of losing the remembrance or recollection of a thing; or rather, the quality of being apt to let any thing slip from the mind.
2. Loss of remembrance or recollection; a ceasing to remember; oblivion. A sweet forgetfulness of human care. Pope.
3. Neglect; negligence; careless omission; inattention; as, forgetfulness of duty. Hooker.