The Collaborative International Dictionary of English v.0.48:

Pliable \Pli"a*ble\, a. [F., fr. plier to bend, to fold. See
   Ply, v.]
   1. Capable of being plied, turned, or bent; easy to be bent;
      flexible; pliant; supple; limber; yielding; as, willow is
      a pliable plant.
      [1913 Webster]

   2. Flexible in disposition; readily yielding to influence,
      arguments, persuasion, or discipline; easy to be
      persuaded; -- sometimes in a bad sense; as, a pliable
      youth. "Pliable she promised to be." --Dr. H. More.
      [1913 Webster] -- Pli"a*ble*ness, n. -- Pli"a*bly,
      adv.
      [1913 Webster]