noun, noun or participle which takes 'suru', intransitive verb
brilliance; radiance; shining forth
Literary noun or intransitive suru-verb describing something shining brilliantly or radiating light. Rare in modern Japanese; mostly found in older or poetic texts.
彼の才能は煥発として輝いていた。
His talent shone forth brilliantly.
煥
A radiant light filled the room.