- Great excitement for or interest in a subject or cause. (noun)
- A source or cause of great excitement or interest. (noun)
- Archaic Ecstasy arising from supposed possession by a god. (noun)
- Archaic Religious fanaticism. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.