Source : Webster's Revised Unabridged Dictionary (1913)

Marriageable \Mar"riage*a*ble\, a.
   Fit for, or capable of, marriage; of an age at which marriage
   is allowable. -- {Mar"riage*a*ble*ness}, n.

Source : WordNet®

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