The Collaborative International Dictionary of English v.0.48:

Versatility \Ver`sa*til"i*ty\, n. [Cf. F. versatilit['e].]
   The quality or state of being versatile; versatileness.
   [1913 Webster]

WordNet (r) 3.0 (2006):

versatility
    n 1: having a wide variety of skills

Moby Thesaurus II by Grady Ward, 1.0:

46 Moby Thesaurus words for "versatility":
   Renaissance man, Renaissance versatility, adaptability,
   adjustability, all-roundedness, ambidexterity, capriciousness,
   changeability, changeableness, choppiness, dappleness, deviation,
   difference, differentiation, disorder, divarication, divergence,
   diversification, flexibility, inconsistency, inconstancy,
   inequality, instability, irregularity, jerkiness, many-sidedness,
   mercuriality, motleyness, mutability, nonconformism, nonconformity,
   nonstandardization, nonuniformity, pluralism, raggedness,
   unconformism, unconformity, unevenness, unorthodoxy, unsteadiness,
   variability, variation, variegation, variety, variousness,
   wavering