Related Clues:

• Filled with wonder
• Quite impressed
• Electrified
• Agape, say
• Blew away
• Left dumbstruck
• Very impressed
• Impressed and then some
• Bedazzled
• Astounded
• Knocked their socks off
• Earned a standing ovation, perhaps
• Impressed greatly
• Struck dumb
• Made one's jaw drop