"In addition to" is a common phrase used to introduce an extra point or idea. However, there are several synonyms that can be used in its place, such as "besides," "moreover," "furthermore," "as well as," "also," and "additionally." Each of these words can add clarity and variety to a piece of writing or conversation, making the point more impactful. The key is to choose the right synonym based on the intended meaning or context of the sentence. Overall, having a range of options for "in addition to" can help writers and speakers convey their message more effectively.