Repeal is a term used to signify the act of abolishing or cancelling a law, regulation, or decision. Antonyms are the opposite of synonyms, and in this case, they would refer to words that are the exact opposite of repeal. Some of the antonyms for the word repeal include establish, enact, approve, sanction, confirm, authorize, ratify, implement, and endorse. These words signify the opposite of repeal because they infer a process of putting something into effect, rather than cancelling it. While repeal may signify the act of eliminating a law or decision, its antonyms indicate the actions taken to create, endorse, or approve something.