• A generic term for the treatment of mental illness or emotional disturbances primarily by verbal or nonverbal communication.
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2021
• A method of treating disease, esp. psychic disorders, by mental rather than pharmacological means (e.g., suggestion, re-education, hypnotism, and psychoanalysis). (Taber's)
  NCI Thesaurus
  U.S. National Cancer Institute, 2021
• Treatment of emotional, behavioral, personality, and psychiatric disorders based primarily upon verbal or nonverbal communication and interventions with the patient.
  CRISP Thesaurus
  National Institutes of Health, 2006
• Treatment of mental, emotional, personality, and behavioral disorders using methods such as discussion, listening, and counseling.
  NCI Dictionary of Cancer Terms
  U.S. National Cancer Institute, 2021
• Psychotherapy is a general term for treating mental health problems by talking with a psychiatrist, psychologist or other mental health provider.
  Mayo Clinic
  Mayo Foundation for Medical Education and Research
• Psychotherapy, any form of treatment for psychological, emotional, or behaviour disorders in which a trained person establishes a relationship with one or several patients for the purpose of modifying or removing existing symptoms and promoting personality growth. Psychotropic medications may be...
  Encyclopedia Britannica
  Encyclopedia Britannica, Inc., 2020