'Ceremonially' in the Bible

When the builders established the Lord's temple, the priests, ceremonially attired and with their clarions, and the Levites (the sons of Asaph) with their cymbals, stood to praise the Lord according to the instructions left by King David of Israel.

The priests and the Levites had purified themselves, every last one, and they all were ceremonially pure. They sacrificed the Passover lamb for all the exiles, for their colleagues the priests, and for themselves.