When referring to someone who has passed away, it's important to understand the different synonyms that can be used to describe them. While the most common term is "deceased person," there are many other options available. Some of the most commonly used synonyms include "departed," "late," "dead," "gone," "expired," and "resting in peace." Others might use religious terms like "soul" or "spirit," or euphemistic phrases like "fallen asleep" or "passed on." Ultimately, the term you choose to use will depend on cultural, personal, and even emotional factors. Whatever you choose, it's important to use language that is respectful, empathetic, and appropriate for the situation.