'Enlightened' in the Bible

With whom has he consulted, that he enlightened him and taught him [the] path of justice, and taught him knowledge, and made [the] way of understanding known to him?

(the eyes of your hearts having been enlightened), so that you may know what is the hope of his calling, what [are] the riches of the glory of his inheritance among the saints,

For [it is] impossible [concerning] those who have once been enlightened, and have tasted the heavenly gift, and become sharers of the Holy Spirit,

But remember the former days in which, [after you] were enlightened, you endured a great struggle with sufferings,