Related Clues:
- Instinctive ability
- The start of an invention
- Noodle concoction?
- Experience with the heart
- Suspicion
- Bit of inspiration
- Light bulb, to Edison and comics
- Aftermath of a brainstorm
- Big or bright thing
- Know somehow
- Brilliant thought
- Object of a brilliant thought
- The embryo of an invention
- Trial balloon, e.g.
- ''Hey, what's the big ___?''