An example of to empathize is someone knowing how a depressed friend is feeling.
Origin of empathize; from empathy, after sympathize
intransitive verbem·pa·thized, em·pa·thiz·ing, em·pa·thiz·es
(third-person singular simple present empathizes, present participle empathizing, simple past and past participle empathized)
- (intransitive) to feel empathy for another person
Used similarly to sympathize, interchangeably in looser usage. In stricter usage, empathize is stronger and more intimate, while sympathize is weaker and more distant; see empathy: usage notes.