Authors:

The ability to imagine oneself in another's place and understand the other's feelings, desires, ideas, and actions. The most obvious example, perhaps, is that of the actor or singer who genuinely feels the part he is performing.

Sam Vaknin (2014). “A to Z of Narcissism and Narcissistic Personality Disorder Encyclopedia: The Narcissism Bible”, p.261, Narcissus Publishing
The ability to imagine oneself in another's place and understand the other's feelings, desires, ideas, and actions. The most obvious example, perhaps, is that of the actor or singer who genuinely feels the part he is