deduce

1. V-T If you deduce something or deduce that something is true, you reach that conclusion because of other things that you know to be true. 縯繹; 推斷

Alison cleverly deduced that I was the author of the letter. 艾莉森聰明地推斷出我是這封信的作者。

The date of the document can be deduced from references to the Civil War. 該文件的日期可以從其對內戰的提及処推算出來。