Related Clues:

• Phaser setting, on 'Star Trek'
• Knock over
• You may be struck with it
• Guinness Book entry
• Delight, slangily
• Daze
• Surprise greatly
• Render speechless
• Leave open-mouthed
• Have rolling in the aisles
• Reaction to meeting one's idol
• Impress deeply
• Knock 'em dead
• Sci-fi setting
• Something to be proud of