3 occurrences across the corpus

OT Pseudepigrapha

Odes of Solomon 36:3

The Spirit brought me forth before the face of the Lord: and, although a son of man, I was named the Illuminate, the Son of God:

2 Baruch 53:9

Now that lightning shone exceedingly, so as to illuminate the whole earth, and it healed those regions where the last waters had descended and wrought devastation.

The Sibylline Oracles 1:411

Cast wickedness out and illuminate