The term "make void" describes the act of annulling or canceling something. In contrast, antonyms for "make void" include phrases such as "validate," "endorse," "approve," "ratify," and "uphold." These terms convey the idea of affirming, confirming, accepting or affirming something. "Validate" describes the act of checking or confirming the accuracy, worth, or legality of something, whereas "endorse" implies the act of publicly expressing support or approval. "Approve" and "ratify" refer to the affirmation of a decision, action, or agreement. In contrast, "uphold" refers to the act of maintaining or supporting an existing, valid arrangement or decision.