If you accede to someone's request, you do what they ask.
例句
Britain would not accede to France's request.英国不肯同意法国的要求。I never understood why he didn't just accede to our demands at the outset.我一直搞不懂他为什么不一开始就同意我们的要求。
VERB
(君主)即位
When a member of a royal family accedes to the throne, they become king or queen.