rev·o·ca·tion /ˌrɛvəˈkeʃən; rɪˌvo, ˌri-/
1. The act of calling back, or the state of being recalled; recall.
One that saw the people bent for the revocation of Calvin, gave him notice of their affection. --Hooker.
2. 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.
n 1: the state of being cancelled or annulled [syn: annulment]
2: the act (by someone having the authority) of annulling
something previously done; "the revocation of a law"