abolishment, abolition, abrogation, annulment, cancel, canceling, cancellation, cassation, counterbalancing, countermand, counterorder, defeasance, disconfirmation, disproof, disproval, disproving, explosion, expose, exposure, frustration, negation, neutralization, nullification, offsetting, recall, recantation, redargution, reductio ad absurdum, renege, repeal, rescinding, rescindment, rescission, retraction, reversal, revocation, revoke, revokement, setting aside, suspension, thwarting, undoing, vacation, vacatur, vitiation, voidance, voiding, waiver, waiving, withdrawal, write-off