- the doctrine that objects of knowledge have no existence except in the mind of the perceiver.
- the doctrine that human conduct reflects the operation of a nonmaterial principle.
- any psychological theory that accepts as a proper subject of study the mental basis for human behavior.
Origin of mentalism
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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