Definition of "radiant"

His sister, Mrs. Gerard, stood there in carriage gown and sables, radiant with surprise. ¶ “Phil ! You ! Exactly like you, Philip, to come strolling in from the antipodes—dear fellow !” recovering from the fraternal embrace and holding both lapels of his coat in her gloved hands.

1907 August, Robert W[illiam] Chambers, chapter I, in The Younger Set, New York, N.Y.: D. Appleton & Company

Nurse Cramer had a cute nose and a radiant, blooming complexion dotted with fetching sprays of adorable freckles that Yossarian detested.

1961 November 10, Joseph Heller, “The Soldier in White”, in Catch-22 […], New York, N.Y.: Simon and Schuster, page 171

And yet she was ensnaringly beautiful, despite her pride and self-consciousness; radiant and certain of conquest she stood before the man who alone seemed to have neither eye nor ear for charms that had never elsewhere played her false.

1893, E. Werner, Clear the Track!, page 94