Source : Webster's Revised Unabridged Dictionary (1913)

Nubile \Nu"bile\, a. [L. nubilis, fr. nubere to marry: cf. F.
   nubile. See {Nuptial}.]
   Of an age suitable for marriage; marriageable. --Prior.

Source : WordNet®

nubile
     adj : of girls or women [syn: {marriageable}]