2 Verbs to Use for the Word irradiation

A minuet course; and, winding up his mouth, From time to time, into an orifice Most delicate, a lurking eyelet, small, And only not invisible, again Open it out, diffusing thence a smile 560 Of rapt irradiation, exquisite.

The tortoise, just returned by the lapidary, shone brilliantly, softening the tones of the rug and casting on it a gorgeous reflection which resembled the irradiations from the scales of a barbaric Visigoth shield.

2 Verbs to Use for the Word  irradiation