Related Clues:

• 'What's the big ___?'
• It may be preconceived
• Gray matter matter?
• It may be bright
• Coconut yield?
• Think-tank nugget
• "I have an __!"
• Head start?
• It can be half-baked
• It might be harebrained
• Entrepreneur's need
• "The very" thing?
• "Now there's an ___!'
• The origin of an invention
• "The very ___!" ("What nerve!")