Source : Webster's Revised Unabridged Dictionary (1913)

Suasible \Sua"si*ble\, a. [L. suadere, suasum, to persuade.]
   Capable of being persuaded; easily persuaded.

Source : WordNet®

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