Define: Chiliasm

Chiliastic from an article (American Dreamer, The Economist, January 9th, 2010).

Where Luce was not wrong was in his famous essay, published in February, 1941, that this would be "an American Century". His point was not imperial, but idealistic, even chiliastic.

Merriam-Webster:

Main Entry: chil·i·asm
Pronunciation: \'ki-le-ˌa-zəm\
Function: noun
Etymology: New Latin chiliasmus, from Late Latin chiliastes one that believes in chiliasm, from chilias
Date: 1610