Related Clues:

• Startle
• Knock senseless
• Awe
• Blow away, in a sense
• Throw for a loop
• Knock out
• Confound
• Knock one's socks off
• Catch off guard
• Really impress
• Bedazzle
• Cold-cock
• Nonlethal phaser setting
• Surprise
• "Star Trek" phaser setting