Related Clues:

• "The very ____!" ("What nerve!")
• It's out of your mind
• Capricious notion
• Writer's block breakthrough
• Brain gain
• Think piece?
• Think of it
• Potential problem-solver
• It might be half-baked
• Group of troops
• Child of invention?
• Brainstorm found in the long answers
• Starting point, perhaps
• Possible solution?
• Result of a brilliant thought, perhaps