The word "in-stating" generally refers to the act of officially or formally establishing something, such as a law or policy. There are several antonyms for this word, including disestablishing, abolishing, revoking, rescinding, and repealing. These words all indicate the act of undoing or undoing the establishment of something. Disestablishing, for example, refers to the act of dismantling or ending an official system or organization, while abolishing refers to completely abolishing a law or custom. Revoking, rescinding, and repealing all refer to the act of canceling, annulling, or reversing a previous decision or action. These antonyms are useful when discussing the undoing of something that has been previously instituted or established.