An example of reverie is when you aren't paying attention to what is going on around you because you are daydreaming about going on vacation.
Origin of reverie
- Middle English revelry from Old French from rever to dream
From American Heritage Dictionary of the English Language, 5th Edition
- From Old French reverie (“revelry"), from resver (“to dream, to rave"), of uncertain origin. Compare rave.Attested as “caper, frolic," from 14thC; as “daydreaming" from 1657.