When writing or speaking, it's important to vary your vocabulary and avoid repetition. One commonly used phrase is "pertaining to," which means relating to or concerning something. However, there are numerous synonyms to use in its place. For instance, you can use words like "related to," "associated with," "connected to," "relevant to," "applicable to," "regarding," "concerning," "dealing with," "focused on," "having to do with," and "touching on." By implementing these words instead of "pertaining to," you can improve your writing and communicate your message more effectively. So, take the opportunity to broaden your vocabulary and make your language more diverse.