WordNet (r) 3.0 (2006):
Hasidism n 1: a sect of Orthodox Jews that arose out of a pietistic movement originating in eastern Europe in the second half of the 18th century; a sect that follows the Mosaic law strictly [syn: Hasidim, Hassidim, Hasidism, Chasidim, Chassidim] 2: beliefs and practices of a sect of Orthodox Jews [syn: Hasidism, Hassidism, Chasidism, Chassidism]