Definition of acquiesce:
(v) :
to rest satisfied, or apparently satisfied, or to rest without opposition and discontent (usually implying previous opposition or discontent); to accept or consent by silence or by omitting to object; — followed by in, formerly also by with and to; to concur upon conviction; as, to acquiesce in an opinion; to assent to; usually, to concur, not heartily but so far as to forbear opposition
"they were compelled to acquiesce in a government which they did not regard as just. - Thomas De Quincey."