brainstorm

Brain		The organ inside the head that controls thought, memory, feelings and activity.
Storm		An extreme weather condition with very strong wind, heavy rain and often thunder and lightning.
Brain + Storm
Brainstorm		The activity of a group of people who suggest a lot of ideas for a future activity very quickly before considering some of them more carefully.
Example Sentence:-
"He was really worried about the future of the company, then he had a brainstorm and realised all his problems were solved."