Definition of "seraphically"

“You’re an angel, by Jove, you’re an angel!” said Foker, at which Blanche looked seraphically up to the chandelier.

1848 November – 1850 December, William Makepeace Thackeray, chapter 74, in The History of Pendennis. […], volumes (please specify |volume=I or II), London: Bradbury and Evans, […], published 1849–1850

They smiled at Kate seraphically, and she saw that they wanted to be alone, and that it made little difference to them whether they were sitting in a warm room or walking the windy streets.

1914, Elia Wilkinson Peattie, The Precipice‎

She was all in white like a lily, and otherwise carried out the lily tradition of belonging obviously to the non-toiling-and-spinning species, justifying the arrangement by looking seraphically lovely in the fruits of the loom and labor of the rest of the world.

1921, Margaret Rebecca Piper, Wild Wings‎