postmillenarianism

post·mil·le·nar·i·an·ism

 (pōst′mĭl-ə-nâr′ē-ə-nĭz′əm)
n.
Postmillennialism.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.