The Collaborative International Dictionary of English v.0.48:
Biddable \Bid"da*ble\, a. Obedient; docile. [Scot.] [1913 Webster]WordNet (r) 3.0 (2006):
biddable adj 1: willing to carry out the orders or wishes of another without protest; "too acquiescent to challenge authority" [syn: acquiescent, biddable]