An overall state encompassing emotion, mood, feeling and other evaluative & valenced (e.g. positive, negative) elements like memories & preferences.
Juslin, P.N. & Västfjäll,D. (2008). Emotional responses to music: The need to consider underlying mechanisms. Behavioral Brain Sciences, 31 (1), 559-621.
Taylor, G.J., Bagby, M.R. & Parker, J.D.A. (1997). Disorders of Affect Regulation - Alexithymia in Medical and Psychiatric Illness. Cambridge, UK: Cambridge University Press.