BDAG on δικαιοω in 1 Corinthians 6:11 being causative (transformative)

  

In the context of 1 Cor 6:11 ἐδικαιώθητε means you have become pure.—In the language of the mystery religions (Rtzst., Mysterienrel.³ 258ff) δικαιοῦσθαι refers to a radical inner change which the initiate experiences (Herm. Wr. 13, 9 χωρὶς γὰρ κρίσεως ἰδὲ πῶς τὴν ἀδικίαν ἐξήλασεν. ἐδικαιώθημεν, ὦ τέκνον, ἀδικίας ἀπούσης) and approaches the sense ‘become deified’.