Related Clues:

• Impress greatly
• Leave open-mouthed, e.g.
• Wonder-ful feeling?
• "Impressive!"
• ''I'm amazed!''
• "Holy guacamole!"
• Shock and ___
• Piety
• ''Holy smoke!''
• Circus reaction
• Fear and wonder
• ''That's impressive!''
• ''Unbelievable!''
• Idolaters' emotion
• Grand Canyon tourist's reaction