There are several synonyms for the phrase "getting along with" that can be used to describe how well two or more people are able to communicate and interact with one another. Some possible alternatives might include "getting along well," "working together harmoniously," "cooperating effectively," "having a good rapport," or "finding common ground." Other potential synonyms might include "bonding," "fostering a positive relationship," "establishing a connection," or "building a friendship." Ultimately, the best synonym to use will depend on the context in which it is being used, and the specific nuances and connotations that are most relevant to the situation at hand.