Isabelle Fuhrman on a set of social customs or ethnic or family practices handed down from generation to generation. See also HERITAGE. traditional adj. traditional authority see authority. traditionalism n. 1. a set of social practices and conditions considered typical of societies that are economically and technologically undeveloped, relatively static in their structures and customs, rural rather than urban, and religious rather than secular and that tend to emphasize family or collective responsibilities rather than individual rights and aspirations. Isabelle Fuhrman 2016.