Source : Webster's Revised Unabridged Dictionary (1913)

Fabulosity \Fab`u*los"i*ty\, n. [L. fabulositas: cf. F.
   fabulosit['e].]
   1. Fabulousness. [R.] --Abp. Abbot.

   2. A fabulous or fictitious story. [R.] --Sir T. Browne.