The psychosomatic (but non-sensory-perceptual) form (whether appetitive or emotional) in which a person experiences a sense of the need satisfying significance to oneself of some aspect of reality, and to what degree.
Elaboration

A feeling is an affective experience. Feeling is experienced physically and mentally, but non-sensory-perceptually, because it differs from sense-perceptions of pleasure or pain, such as those experienced in taste or touch.