Millenarian

from WordNet (r) 3.0 (2006)

millenarian
    adj 1: relating to or believing in the millennium of peace and
           happiness [syn: {millenarian}, {chiliastic}]
    n 1: a person who believes in the coming of the millennium (a
         time of great peace and prosperity) [syn: {millenarian},
         {millenarist}, {chiliast}]

from The Collaborative International Dictionary of English v.0.48

Millenarian \Mil`le*na"ri*an\, a. [See {Millenary}.]
   Consisting of a thousand years; of or pertaining to the
   millennium, or to the Millenarians.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Millenarian \Mil`le*na"ri*an\, n.
   One who believes that Christ will personally reign on earth a
   thousand years; a Chiliast.
   [1913 Webster] Millenarianism

from Moby Thesaurus II by Grady Ward, 1.0

29 Moby Thesaurus words for "millenarian":
      Leibnizian, Leibnizian optimist, Pollyanna, aspirant, aspirer,
      bright, cheerful, chiliast, chiliastic, couleur de rose, hopeful,
      hoper, irrepressible optimist, millennialist, millennialistic,
      millennian, optimist, optimistic, perfectibilist,
      perfectibilitarian, perfectionist, philosophical optimist,
      ray of sunshine, rose-colored, roseate, rosy, sunny, upbeat,
      utopian

[email protected]