radiant

Radiating light and/or heat.

the radiant sun

They in ranks / Sat all, where ſtood the fiery ſteeds of each, / And where his radiant arms lay on the field.

Emitted as radiation.

Beaming with vivacity and happiness.

a radiant face

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.

Strikingly beautiful.

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.

Emitting or proceeding as if from a center.

A point source from which radiation is emitted.

The apparent origin, in the night sky, of a meteor shower.

A straight line proceeding from a given point, or fixed pole, about which it is conceived to revolve.