"astounded" in the verb sense
1. amaze, astonish, astound
affect with wonder
"Your ability to speak six languages amazes me!"
"astounded" in the adjective sense
1. amazed, astonied, astonished, astounded, stunned
filled with the emotional impact of overwhelming surprise or shock
"an amazed audience gave the magician a standing ovation"
"I stood enthralled, astonished by the vastness and majesty of the cathedral"
"astounded viewers wept at the pictures from the Oklahoma City bombing"
"stood in stunned silence"
"stunned scientists found not one but at least three viruses"
Source: WordNet® (An amazing lexical database of English)
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