'Enthusiastic' in the Bible

This man had been instructed [in] the way of the Lord, and being enthusiastic in spirit, he was speaking and teaching accurately the [things] about Jesus, [although he] knew only the baptism of John.

And when they heard it, they began glorifying and praising God; and they said to him, “You see, brother, how many thousands of believers there are among the Jews, and they are all enthusiastic supporters of the Law [of Moses].