ZIONISM. The origin of the word Zion is unclear. It most likely derives from a word meaning "rock" or "stronghold" or perhaps "a dry place." The first occurrence of the name is in 2 Samuel 5:7, where David captures the Jebusite city of Jerusalem. The "fortress of Zion" appears to have been the Jebusite name for the place that was henceforth to be called "the citadel of David." But although Jebusite in origin, the name Zion (Hebrew, Tsiyyon) was assimilated into the Israelite vocabulary and became associated with the Davidic monarchy and its capital in Jerusalem. In writings of such prophets as "First Isaiah" and Jeremiah and in Psalms, the name Zion is used as a synonym first for the Temple in Jerusalem, then for the kingdom of Judah, and finally, in postexilic literature, for the Land of Israel. In the Babylonian exile the psalmist wrote: "By the waters of...