given 是 give 的过去分词.
其实你的定义已经很详细了.
这是我的定义：
1.鉴于 比如 Given that this is a holiday,it is not a surprise that the parks are crowded.
2.一定的,特定的.On any given day,the parks are usually crowded.
3.给予的,赠送的.The pen was given to me as a birthday present.
4.(数学,表示条件) 已知的,假设的.Given the value of X,what is the derived value of
5.爱好的,喜欢的,习惯的 (to)
John is given to bouts of spontaneous singing.
约翰有情不自禁地、自发性唱歌的习惯.
6.名词 - (推理过程中的)已知事物.It's taken as a given.这被认为已知.