Antonyms for the word "makes void" include "validates", "ratifies", "confirms", "upholds", "authorizes", and "sanctions". These words imply the opposite meaning and are often used in legal or official contexts. When something is validated or ratified, it is officially recognized as legitimate or lawful, whereas when something is voided, it is nullified or canceled. Upholding or sanctioning something means to support or approve it, while making it void means to render it invalid or ineffective. Antonyms can help to clarify the meaning of a word, and using them correctly is crucial for effective communication.