The Collaborative International Dictionary of English v.0.48:
Governable \Gov"ern*a*ble\, a. [Cf. F. gouvernable.] Capable of being governed, or subjected to authority; controllable; manageable; obedient. --Locke. [1913 Webster]WordNet (r) 3.0 (2006):
governable adj 1: capable of being controlled [syn: controllable, governable]