Source : Webster's Revised Unabridged Dictionary (1913)

Warrantable \War"rant*a*ble\, a.
   Authorized by commission, precept, or right; justifiable;
   defensible; as, the seizure of a thief is always warrantable
   by law and justice; falsehood is never warrantable.

         His meals are coarse and short, his employment
         warrantable, his sleep certain and refreshing. --South.
   -- {War"rant*a*ble*ness}, n. -- {War"rant*bly}, adv.