Hedonism: refers to the idea held by the classical school, that people only act according to what they find pleasurable and in their self -interest.
Other /More definition:
Hedonism refers to a philosophical doctrine maintaining that sensory pleasure is the goal of life; the ethical doctrine holding that only what is pleasant or has pleasant consequences is intrinsically good.
In Psychology, Hedonism refers to the doctrine holding that behavior is motivated by the desire for pleasure and the avoidance of pain; the belief that the good life consists of seeking pleasure and avoiding pain;
Likewise, Hedonism refers to a pursuit of or devotion to pleasure, especially to the pleasures of the senses.
List of books: Hedonism