ESSENTIALISM By N., Sam M.S. - 23 Philosophy. Where things have essences that makes them what they are. ESSENTIALISM: "In essentialism all things have an essence that makes them what they are." Related Psychology Terms JAMES, WILLIAM (1842-1910) DEWEY, JOHN (1859-1952) LASHLEY, KARL SPENCER (1890- 1958) RATIONAL PSYCHOTHERAPY PLATONIC IDEALISM REMINISCENCE THEORY OF KNOWLEDGE AVOIDANCE LEARNING MUNSTERBERG,HUGO (1863-1916) DIRECT ANALYSIS HELMHOLTZ, HERMANN LUDWIG FERDINAND VON (1821-94) Cite this page: N., Sam M.S., "ESSENTIALISM," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/essentialism/ (accessed June 30, 2022).