Related Clues:

• Noticeably astonished
• Apparently amazed
• With mouth wide open
• Cowed
• Visibly astonished
• Impressed mightily
• Knocked for a loop
• Knocked the socks off of
• Clearly stunned
• Showing surprise
• At a loss for words
• Displaying awe
• Amazed
• Visibly stunned
• With mouth open