Un-saying means retracting or taking back something that has previously been said. Some antonyms for un-saying could be confirming, affirming, or declaring. These words imply that the original statement is being upheld or validated rather than retracted. Other antonyms could include enforcing, emphasizing, or endorsing, all of which imply a sense of support and agreement with the initial statement. It is important to consider context when seeking antonyms for un-saying, as different situations may require different words to convey the opposite meaning. However, overall, antonyms for un-saying should imply an affirmation or declaration of the original statement rather than a retraction.