1. (n.) The act of calling back; repeal; recall\.

2. (n.) The act by which one, having the right, annuls an act done, a power or authority given, or a license, gift, or benefit conferred; repeal; reversal; as, the revocation of an edict, a power, a will, or a license.

abjuration abjurement abolishment abolition abrogation absolute contradiction annulment cancel canceling cancellation cassation contradiction contrary assertion contravention controversion countering countermand counterorder crossing defeasance denial disaffirmation disallowance disavowal disclaimer disclamation disowning disownment disproof expatriation forswearing gainsaying impugnment invalidation nullification palinode palinody recall recantation refutation renege reneging renouncement renunciation repeal repudiation rescinding rescindment rescission retractation retraction reversal revoke revokement setting aside suspension unsaying vacation vacatur voidance voiding waiver waiving withdrawal write-off