For thou hast trusted in thy wickedness... — Babylon, like other nations that have followed in her steps, took for its law that Might was Right, practically denied the existence of a Ruler who saw and judged, and boasted of its wisdom. The context implies that the special form of wisdom spoken of was that of astrology and magic.
Related Commentaries of Isaiah 47:10
Isaiah 47:10
10 For thou hast trusted in thy wickedness: thou hast said, None seeth me. Thy wisdom and thy knowledge, it hath perverteda thee; and thou hast said in thine heart, I am, and none else beside me.