'Enlightened' in the Bible

I pray that the eyes of your heart may be enlightened, so that you will know what is the hope of His calling, what are the riches of the glory of His inheritance in the saints,

For in the case of those who have once been enlightened and have tasted of the heavenly gift and have been made partakers of the Holy Spirit,

But remember the former days, when, after being enlightened, you endured a great conflict of sufferings,