Laingian

adjective
  1. of or based on R. D. Laing's theory that mental illnesses are understandable as natural responses to stress in family and social situations
noun
  1. a follower or adherent of Laing's teaching
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012