noun, taru-adjective, adverb taking the 'to' particle, noun or participle which takes 'suru'
staring in astonishment; amazement
Formal literary word describing a state of being wide-eyed with surprise or wonder. Often used in the adverbial form 瞠若として or with とする.
その光景に、彼は瞠若として立ち尽くした。
He stood rooted to the spot, staring in astonishment at the scene.
一同はその発表に瞠若とした。
Everyone was struck with amazement at the announcement.