Israel ben Eliezer (born circa 1698, died 22 May 1760), known as the Baal Shem Tov (Hebrew: בעל שם טוב, /ˌbɑːl ˈʃɛm ˌtʊv, ˌtʊf/) or as the Besht, was a Jewish mystical rabbi from Poland, who is regarded as the founder of Hasidic Judaism. "Besht" is the acronym for Baal Shem Tov, which means "Master of the Good Name" or "one with a good reputation".