Source : Webster's Revised Unabridged Dictionary (1913)

Tamable \Tam"a*ble\, a.
   Capable of being tamed, subdued, or reclaimed from wildness
   or savage ferociousness. -- {Tam"a*ble*ness}, n.

Source : WordNet®

tamable
     adj : capable of being tamed [syn: {tameable}]