Possible Clues:

• “Whoso beset him round / With dismal stories, / Do but themselves ____; / His strength the more is” (John Bunyan)
• Puzzle to do? Get going
• Astonish and confuse
• Mix up three common elements and start to build
• Prove wrong; confuse
• Bewilder
• No fun working in hoax that's to cause confusion
• Surprise; defeat (plan)
• How Cornelius discovered the way to defeat his enemy
• Mix up, but prisoner recaptured