The Oxford Thesaurus An A-Z Dictionary of Synonyms - cancellationn.

1) cancelling, annulment, nullification, rescinding, voiding, rescission, revocation, abolition, abandonment, withdrawal, abrogation; repeal: We found a hotel room in the end because of a late cancellation. 2) invalidation, revocation, abolition, discontinuance, termination, suppression: If you fail to pay the premium, the policy is subject to cancellation. 3) elimination, abolition; stoppage, cessation: Owing to the storm, some trains are subject to cancellation.