Answer: astonished

AnswerCrossword Clue
ASTONISHEDBug-eyed
ASTONISHEDWowed
ASTONISHEDLeft slack-jawed
ASTONISHEDGreatly surprised
ASTONISHEDBlown away
astonishedGreatly surprised or impressed; amazed
astonishedASTONISH, to amaze or shock, also ASTONE, ASTONY