1) Accommodating 2) Agreeable 3) Amenable 4) Biddable 5) Compliant 6) Obedient 7) Submissive 8) Yielding 
• (a.) Resting satisfied or submissive; disposed tacitly to submit; assentive; as, an acquiescent policy.
Ac`qui·es'cent adjective [ Latin acquiescens , -centis ; present participle] Resting satisfied or submissive; disposed tacitly to submit; assentive; as, an acquiescent policy. 
[adj] - willing to carry out the orders or wishes of another without protest
biddable adjective willing to carry out the orders or wishes of another without protest; `too acquiescent to challenge authority`
disposed to acquiesce or consent tacitly.