postmillenarian

post·mil·le·nar·i·an

P0472100 (pōst′mĭl-ə-nâr′ē-ən)adj. Of or relating to postmillennialism.n. One who believes in postmillennialism.

postmillenarian

(ˌpəʊstˌmɪləˈnɛərɪən) n, adj (Ecclesiastical Terms) another word for postmillennialist