acquiescent

/ˌækwiˈɛs(ə)nt/

adjective

Ready to accept something without protest, or to do what someone else wants.

the unions were acquiescent and there was no overt conflict

compliant,complying,consenting,cooperative,willing,obliging,agreeable,amenable,tractable,persuadable,easily persuaded,pliant,flexible,easy,unprotesting,resigned