n A form of indoctrination that forces people to abandon their beliefs in favour of another set of beliefs by conditioning through various forms of pressure or torture(reference-book|year=1990|author=David A. Statt|title=The Concise Dictionary of Psychology|publisher=Routledge|isbn=0415026628|pages=18-19)(reference-book|year=2000|author=James K. Boehnlein|title=Psychiatry and Religion: The Convergence of Mind and Spirit |publisher=American Psychiatric Publishing, Inc.|isbn=0880489200|pages=73-74)(reference-book|year=2001|author=Raymond J. Corsini|publisher=Routledge|title=The Dictionary of Psychology|isbn=1583913289|pages=127)(reference-book|year=2007|author=Virginia A. Sadock, Harold I. Kaplan|title=Kaplan and Sadock's Synopsis of Psychiatry: Behavioral Sciences/Clinical Psychiatry|publisher=Lippincott Williams & Wilkins|isbn=978-0781773270|pages=676)