fey

fey \FAY\, adjective:

1. Possessing or displaying a strange and otherworldly aspect or quality; magical or fairylike; elfin.
2. Having power to see into the future; visionary; clairvoyant.
3. Appearing slightly crazy, as if under a spell; touched.
4. (Scots.) Fated to die; doomed.
5. (Scots.) Marked by a sense of approaching death.

. . .the former a gang of dangerous delinquents, fearless, macho, vulgar . . ., the latter a group of mischievous schoolboys, whimsical, fey, sophisticated and daringly experimental.
-- Sean Kelly, "What Did You Expect, the Spanish Inquisition?", New York Times, July 25, 1999

Beneath a fey manner, his mother was highly competitive.
-- Evan Thomas, The Very Best Men

Leo, suddenly fey, sports a rhinestone ascot and black velvet waistcoat, homburg and walking stick.
-- Edward Karam, "Fast and louche", Times, March 29, 2001

Fey comes from Middle English feye, feie, from Old English fæge, "fated to die."