NT.filter - rsv worshiping:

rsv@Luke:2:37 @ and as a widow till she was eighty-four. She did not depart from the temple, worshiping with fasting and prayer night and day.

rsv@Acts:13:2 @ While they were worshiping the Lord and fasting, the Holy Spirit said, "Set apart for me Barnabas and Saul for the work to which I have called them."