Empathize
Empathy is the capacity to understand or feel what another person is experiencing from within their frame of reference, i.e., the capacity to place oneself in another’s position. There are many definitions for empathy that encompass a broad range of emotional states. Types of empathy include cognitive empathy, emotional empathy, and somatic empathy.
Wikipedia
Empathise (verb)
standard spelling of from=non-Oxford British spelling|empathize
Empathize (verb)
to feel empathy for another person
Wiktionary