MISTAKE n.
Misconception, error, which when non-negligent may be ground for rescinding a contract, or for refusing to perform it. No mistake, surely; without fail; as, it will happen at the appointed time, and no mistake. [Low]
REVOKE v.
Hence, to annul, by recalling or taking back; to repeal; to rescind; to cancel; to reverse, as anything granted by a special act; as, , to revoke a will, a license, a grant, a permission, a law, or the like. Shak.