1) Chiliast 2) Chiliastic 3) Millenarist 1) Chiliastic 2) Period 3) Period of time 4) Time period 
• (n.) One who believes that Christ will personally reign on earth a thousand years; a Chiliast. • (a.) Consisting of a thousand years; of or pertaining to the millennium, or to the Millenarians.
Mil`le·na'ri·an adjective [ See Millenary .] Consisting of a thousand years; of or pertaining to the millennium, or to the Millenarians. 
[adj] - relating to or believing in the millennium of peace and happiness 2. [n] - a person who believes in the coming of the millennium (a time of great peace and prosperity)
millenarian 1. In the etymological sense, relating or pertaining to a thousand. 2. One who holds or believes that Christ will reign on earth in person for a thousand years; a believer in the millennium.
chiliastic adjective relating to or believing in the millennium of peace and happiness