n.
The spirit of the time; the taste and outlook characteristic of a period or generation: "It's easy to see how a student . . . in the 1940's could imbibe such notions. The Zeitgeist encouraged Philosopher-Kings" (James Atlas).
[German : Zeit, time (from Middle High German zīt , from Old High German) + Geist, spirit; see poltergeist.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.