convincible

from WordNet (r) 3.0 (2006)

convincible
    adj 1: being susceptible to persuasion [syn: {convincible},
           {persuadable}, {persuasible}, {suasible}]

from The Collaborative International Dictionary of English v.0.48

Convincible \Con*vin"ci*ble\, a.
   1. Capable of being convinced or won over.
      [1913 Webster]

   2. Capable of being confuted and disproved by argument;
      refutable. [Obs.] --Sir T. Browne.
      [1913 Webster]