Deceivableness

from The Collaborative International Dictionary of English v.0.48

Deceivableness \De*ceiv"a*ble*ness\, n.
   1. Capability of deceiving.
      [1913 Webster]

            With all deceivableness of unrighteousness. --2
                                                  Thess. ii. 10.
      [1913 Webster]

   2. Liability to be deceived or misled; as, the deceivableness
      of a child.
      [1913 Webster]