Source : Webster's Revised Unabridged Dictionary (1913)

Available \A*vail"a*ble\, a.
   1. Having sufficient power, force, or efficacy, for the
      object; effectual; valid; as, an available plea. [Obs.]

            Laws human are available by consent.  --Hooker.

   2. Such as one may avail one's self of; capable of being used
      for the accomplishment of a purpose; usable; profitable;
      advantageous; convertible into a resource; as, an
      available measure; an available candidate.

            Struggling to redeem, as he did, the available
            months and days out of so many that were
            unavailable.                          --Carlyle.

            Having no available funds with which to pay the
            calls on new shares.                  --H. Spenser.

Source : WordNet®

available
     adj 1: obtainable or accessible and ready for use or service; "kept
            a fire extinguisher available"; "much information is
            available through computers"; "available in many
            colors"; "the list of available candidates is
            unusually long" [ant: {unavailable}]
     2: not busy; not otherwise committed; "he was not available for
        comment"; "he was available and willing to accompany her"
        [syn: {uncommitted}]
     3: convenient for use or disposal; "the house is available
        after July 1"; "2000 square feet of usable office space"
        [syn: {usable}, {useable}]