The antonyms for the phrase "commit memory" can vary depending on the context in which it is used. If we take it in the sense of committing something to memory, the antonyms could be "forget," "disregard," or "neglect." On the other hand, if we interpret it as storing something in memory, the antonyms could be "delete," "erase," or "discard." There are also related words that may have opposite meanings, such as "undo," "revoke," and "unlearn." These antonyms reflect the different ways in which we can approach memory and how we process and retain information.