Related Clues:

• Exclamation
• "Groovy!"
• Like Fonzie
• 'Unbelievable!'
• 'Nice!'
• "Holy smokes!"
• "Golly!"
• Like many a fall day
• Knock ('em) dead
• Really impress
• Impress
• Self-controlled
• "I'm impressed!"
• Beatnik's 'groovy'
• Not nerdy