Strong G1754 ἐνεργέω energeō · be active

1 Thessalonians

1. 1 Thessalonians 2:13
   For this cause also thank we God without ceasing, because, when ye received the word of God which ye heard of us, ye received it not as the word of men, but as it is in truth, the word of God, which effectually worketh also in you that believe.