(n.) The act of relinquishing.

abandonment abdication abeyance abjuration abjurement breakoff capitulation cease ceasing cessation cession close closing cold storage demission deposal desinence desistance discontinuance discontinuation dropping out emeritus status forbearance forced resignation forswearing giving in giving over giving up handing over nonexercise recedence recession renouncement renunciation resignation retiral retirement retreat shutdown stopping superannuation surcease surrender suspension termination voluntary resignation waiver withdrawal withdrawing yielding