Definitions for "Zionism"
Among the Jews, a theory, plan, or movement for colonizing their own race in Palestine, the land of Zion, or, if that is impracticable, elsewhere, either for religious or nationalizing purposes; -- called also Zion movement.
(Zion or Sion : the hill of Jerusalem on which the city of David was built; the Jewish people or their religion; the Kingdom of God in Heaven.) : a movement (originally) for the reestablishment and (now) the development of a Jewish nation in what is now Israel. The first Zionist congress was held in Basel in 1897 on the initiative of Theodor Herzl, the father of political Zionism.
Belief in the centrality of Israel in Jewish historical & religious experience.