There are various synonyms that can be used in place of the phrase "many times." Some examples of these synonyms include "frequently," "repeatedly," "oftentimes," "time and again," "on multiple occasions," and "numerous times." These terms all refer to the idea of something occurring repeatedly or happening more than once. Using synonyms like these can add variety and interest to written or spoken language. It's important to remember to choose the best synonym based on the context of the sentence or phrase to ensure that the intended meaning is clear and properly expressed.