rare. [f. FORGET v. + -NESS.] Forgetfulness.
1474. Caxton, Chesse, III. vi. H iij b. The vice of glotonye provoketh lecherye; wherof cometh forgetenes of his mynde.
1892. Daily News, 11 Oct., 47. It is easier to imagine the disappearance of Westminster Abbey from the face of the earth, the forgetness that such a place ever existed among men, than, etc.