1. Noun.  (uncountable) The quality or state of being able..
  2. Noun.  (countable) A skill or competence.
  3. Noun.  (uncountable, countable) A high level of skill or competence.
  4. Noun.  (uncountable) Suitability or receptiveness to be acted upon.

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This entry was last updated on RefTopia from its source on 3/20/2012.