There are several synonyms for the phrase "taking to each other" that can be used to describe when two individuals are engaging in conversation or developing a bond. One such phrase is "hitting it off," which refers to when two people meet and immediately click with one another. Another term that can be used is "getting along," which means that individuals are compatible and able to converse with one another comfortably. "Connecting" is another word that can be used to describe two people who are building a rapport together. Additionally, "bonding," "meshing," and "gelling" are terms that can be utilized to describe when people are taking to each other.