The word acquiesce comes from the Latin word quiescere, meaning "to be quiet, or to rest and find peace." The definition of acquiesce is to passively accept something or allow something to happen by not arguing against it.

How does the concept of being quiet relate to the meaning of acquiesce discussed above?
The act of being quiet tends to produce unfavorable results and empowers others.
People who remain quiet are able to find peace in whatever endeavors they choose.
Those who allow things to happen without objectioning are choosing to remain quiet.

The concept of being quiet relates to the meaning of acquiesce by indicating a passive acceptance or lack of resistance. When someone is quiet, they are not actively arguing or objecting against something. Similarly, when one acquiesces, they are not actively opposing or challenging a situation or decision. Both being quiet and acquiescing involve a passive and non-assertive approach, which allows something to happen or be accepted without active resistance.