Related Clues:
- Spitballing result
- It�s celebrated on January 6
- Plan is almost perfect
- Reason for shouting 'Eureka!'
- 'Aha moment' cause
- Springboard for an inventor
- Creative springboard
- "I've got it!" elicitor
- Problem solver, at times
- What's in your head, if not entirely wide awake
- Plan that helps to give side advantage
- Skull-session nugget
- Brainy product
- Skull session nugget
- Creative mental spark