The phrase "to start with" is commonly used to introduce a point or idea in a conversation or piece of writing. However, there are many synonyms that can be used in its place to add variety and avoid repetition. Some options include "in the first place", "to begin with", "to kick off", "as a starting point", "initially", "firstly", "at the outset", and "commencing". By utilizing these alternatives, one can maintain the flow of their communication and engage their audience without relying solely on one specific phrase. Ultimately, having a diverse vocabulary can make writing and speaking more interesting and effective.