Acquiesce

Webster's Dictionary of the English Language

·vi 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.

II. Acquiesce ·vi 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.