fab·u·lous

[fab-yuh-luhs]

adjective

1.  Almost impossible to believe; incredible.
2.  Informal. exceptionally good or unusual; marvelous; superb: a fabulous bargain; a fabulous new house.
3.  Told about in fables; purely imaginary: the fabulous exploits of Hercules.
4.  Known about only through myths or legends.