Related Clues:

• Groovy!
• Like The Fonz
• Fervent
• "Groovy!"
• Like Fonzie
• Quick on the uptake
• 'Nice!'
• Lament loudly
• Enthusiastic cry
• 'Peachy!'
• Like many a fall day
• "When We Was ___" (Harrison tune)
• "Swell!"
• Very eager
• Intellectually acute