尽管不情愿，她还是默许了老板的决定。

Despite her reluctance, she acquiesced to her boss's decision.

acquiesced 是动词 acquiesce 的过去式。acquiesce 由前缀 ac-（表示"朝向"）和词根 quiesce（来自拉丁语 quiescere，意为"安静、休息"）组成，字面意思是"趋于安静"，引申为"默许、勉强同意"的意思。