Source : Webster's Revised Unabridged Dictionary (1913)

Livable \Liv"a*ble\, a.
   1. Such as can be lived.

   2. Such as in pleasant to live in; fit or suitable to live
      in. [Colloq.]

            A more delightful or livable region is not easily to
            be found.                             --T. Arnold.

Source : WordNet®

livable
     adj : fit or suitable to live in or with; "livable conditions"
           [syn: {liveable}] [ant: {unlivable}]