A worshipper of God — Probably acquainted with the prophetic writings whose heart the Lord opened — The Greek word properly refers to the opening of the eyes: and the heart has its eyes, Ephesians 1:18. These are closed by nature and to open them is the peculiar work of God.
Related Commentaries of Acts 16:14
Acts 16:14
14 And a certain woman named Lydia, a seller of purple, of the city of Thyatira, which worshipped God, heard us: whose heart the Lord opened, that she attended unto the things which were spoken of Paul.