'Desirability' definitions:

Definition of 'desirability'

From: WordNet
noun
The quality of being worthy of desiring [syn: desirability, desirableness] [ant: undesirability]
noun
Attractiveness to the opposite sex [syn: sex appeal, desirability, desirableness, oomph]

Definition of 'Desirability'

From: GCIDE
  • Desirability \De*sir`a*bil"i*ty\, n. The state or quality of being desirable; desirableness. [1913 Webster]