tractable \TRAK-tuh-buhl\ (adjective) - 1 : Capable of being easily led, taught, or managed; docile. 2 : Easily handled, managed, or worked; malleable.
""It's very important for me to find a person to fill the management position who is dependable, flexible, a born leader, as well as extremely tractable concerning the regulations and edicts that govern how we operate as a team." -- Camika Spencer, 'Cubicles'
Tractable derives from Latin tractabilis, from tractare, to handle, to manage, frequentative of traho, to draw, to drag.