King reminisced about his convention and was astounded at how little bad-blood lingered.
All the old dinosaurs, who were astounded by the numbers involved.
Pundits who had pronounced him toast were astounded that he left office with high approval ratings.
mid-15c., from Middle English astouned, astoned (c.1300), past participle of astonen, astonien "to stun" (see astonish), with more of the original sense of Vulgar Latin *extonare. Related: Astounded; astounding.