FUNCTION By N., Sam M.S. - 18 1. Use or purpose of a thing. 2. Biology. Action of an organism contributing to its fitness. 3. Mathematical procedure relating to quantity and a defined rule. FUNCTION: "A function is what we use something for, like a spades function is to dig." Related Psychology Terms Terms of Service LASHLEY, KARL SPENCER (1890- 1958) Evaluation of a Qualitative Study HOLISM CANNON, WALTER BRADFORD (1871-1945) ACHROMATIC INTERVAL Evaluation of a Quantitative Study UTILITY ADOLESCENCE (Theories) ATARACTIC (Atanndc) Cite this page: N., Sam M.S., "FUNCTION," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/function/ (accessed January 18, 2022).