Compliant, a.
Yielding; bending; pliant; submissive. "The compliant boughs." Milton.
Shades of meaning
Fernald has no entry of its own for compliant; he lists it under docile.
Where he writes about it:
One who is docile is easily taught; one who is tractable is easily led; one who is pliant is easily bent in any direction; compliant represents one as inclined or persuaded to agreement with another's will. — from docile