Per*sua"si*ble*ness

from The Collaborative International Dictionary of English v.0.48

Persuasible \Per*sua"si*ble\, a. [Cf. L. persuasibilis
   persuasive, F. persuasible persuasible.]
   1. Capable of being persuaded; persuadable.
      [1913 Webster]

   2. Persuasive. [Obs.] --Bale.
      [1913 Webster] -- {Per*sua"si*ble*ness}, n. --
      {Per*sua"si*bly}, adv.
      [1913 Webster]