His Name for the Name of the Lord, A.V. and T.R. Wash away thy sins; ἀπόλουσαι, only here and in 1 Corinthians 6:11, where it is found in exactly the same sense of "washing away sins" (see 1 Corinthians 6:9, 1 Corinthians 6:10) in holy baptism.
Hence the λουτρὸν παλιγγενεσίας, "the washing of regeneration'' (Titus 3:5; comp. Ephesians 5:26; and see Acts 2:38, note). Calling on his Name ( ἐπικαλεσάμενος); see Acts 2:21; Acts 7:59, note; Acts 9:14, Acts 9:21; Romans 10:12, Romans 10:13, Romans 10:14; 1 Corinthians 1:2; 2 Timothy 2:22 : 1 Peter 1:17, all texts distinctly justifying prayer to the Lord Jesus.