There are several synonyms for the word "externalizing" that can be used in different contexts. For instance, "projecting" is a synonym that refers to the phenomenon of attributing one's feelings or thoughts to someone else or onto an external object. Another synonym is "displacing," which refers to the act of transferring one's emotional response or behavior from one situation to another. Other synonyms for "externalizing" include "acting out," "expressing outwardly," and "displaying openly." Each synonym captures a different aspect of the process of externalizing and can be used interchangeably depending on the context and the intended meaning.