Psychotherapy – psy·cho·ther·a·py – /ˌsīkōˈTHerəpē/

"Treatment by communication; any form of treatment for mental illnesses, behavioral maladaptions, and/or other problems that are assumed to be of an emotional nature, in which a trained person deliberately establishes a professional relationship with a patient for the purpose of removing, modifying, or retarding existing symptoms, of attenuating or reversing disturbed patterns of behavior, and of promoting positive personality growth and development."  Campbell's Psychiatric Dictionary