Originally published in the Encyclopedia Judaica, vol. 10 (1972), pp. 383-97. JUDAISM, the religion, philosophy, and way of life of the Jews. DEFINITION The term Judaism is first found among the Greek-speaking Jews of the first century C.E. (Judaismes, see II Macc. 2: 21; 8: 1; 14: 38; Gal. 1: 13-14). Its Hebrew equivalent, Yahadut, found only…