Noun

(wikipedia emotion) (en noun)

A person's internal state of being and involuntary physiological response to an object or a situation, based on or tied to physical state and sensory data.

* , chapter=5

, title= The Mirror and the Lamp , passage=He was thinking; but the glory of the song, the swell from the great organ, the clustered lights, […], the height and vastness of this noble fane, its antiquity and its strength—all these things seemed to have their part as causes of the thrilling emotion that accompanied his thoughts.}}

A reaction by an non-human organism with behavioral and physiological elements similar to a person's response.

Noun

(en noun)

One who has the ability to sense emotions; someone who is empathic or practises empathy.

(science fiction, parapsychology) A person with extra-sensory empathic ability, capable of sensing the emotions of others around them in a way unexplained by conventional science and psychology.

* 1957 , Hans Stefan Santesson (editor), Fantastic Universe

She was the empath who would betray empaths if she got the chance. So they'd tried to fix things so that she didn't get the chance.

* 2005 , Catherine Asaro, Schism

How did a complete stranger know he was an empath ? He rarely if ever talked about it, even to his closest friends. It made people uneasy.

* 2007 , Ellen Dugan, Natural Witchery

The aura may, in fact, linger around objects or places and that "lingering energy" is what an empath senses and intuits.