There are several synonyms for the phrase "stand still for". Some common alternatives include "tolerate", "endure", "put up with", "accept", "bear", and "allow". Each of these synonyms implies a level of patience or forbearance, suggesting that the subject of the phrase may not be particularly enjoyable, but must be put up with nonetheless. "Tolerate" in particular suggests a certain level of discomfort or annoyance, while "allow" implies a more passive acceptance of something that may not be desired. Ultimately, the choice of synonym depends on the context and the intended tone of the sentence.