Related Clues:
- Suspicion
- Bit of inspiration
- Light bulb, to Edison and comics
- Aftermath of a brainstorm
- Aggravation, so to speak
- Big or bright thing
- Brilliant thought
- Object of a brilliant thought
- The embryo of an invention
- Trial balloon, e.g.
- ''Hey, what's the big ___?''
- Gray matter creation
- Woe
- Patent basis
- Content of cognition