Acquiescence

A silent or passive assent or submission, or a submission with apparent content; -- distinguished from avowed consent on the one hand, and on the other, from opposition or open discontent; quiet satisfaction.

Submission to an injury by the party injured.

Tacit concurrence in the action of another.

agreement with a statement or proposal to do something; "he gave his assent eagerly"; "a murmur of acquiescence from the assembly"