The term "reprobating" refers to the act of criticizing, condemning, or disapproving of something or someone. Some antonyms for this word include approving, praising, commending, lauding, and complimenting. These words express a positive sentiment towards a person or object, which is the opposite of reprobating. For instance, if someone performs a commendable act, they ought to be approved, praised, or commended for their efforts. Similarly, if a product receives a positive review, it might be lauded or complimented for its quality. In short, the antonyms for "reprobating" are terms that convey approval, admiration, or appreciation for something.