Webster's Revised Unabridged Dictionary · 1913

Fabulous

Fabulous (fab"u*lus) , adjective

[Latin fabulosus; compare French fabuleux. See Fable.]

1.
Feigned, as a story or fable; related in fable; devised; invented; not real; fictitious; as, a fabulous description; a fabulous hero.
The fabulous birth of Minerva. — Chesterfield
2.
Beyond belief; exceedingly great; as, a fabulous price. — Macaulay
3.
Exceptionally good; extremely pleasing. [informal]
Collocations (1)
Fabulous age , that period in the history of a nation of which the only accounts are myths and unverified legends; as, the fabulous age of Greece and Rome.