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. 演绎; 推断

Alison cleverly deduced that I was the author of the letter. 艾莉森聪明地推断出我是这封信的作者。

The date of the document can be deduced from references to the Civil War. 该文件的日期可以从其对内战的提及处推算出来。