COMPLIANCE, a psychological term for one of the so-called "primary" emotions. When an animal or human being meets an opposing force which he recognizes as stronger than himself, he gives in to the opponent to avoid injury to himself, and takes what ever extra trouble is necessary to avoid a conflict inevitably dis astrous to the weaker party. This feeling and reaction of com pliance is the basic emotional mechanism which enables living organisms to escape destruction and suffering in the struggle for existence.