the clear (and often sudden) understanding of a complex situation
"After hours of confusion, she finally brainstormed how to untangle the legal mess and saved the entire project."
A sudden thought, particularly one that solves a long-standing problem.
"The team finally solved the budget crisis when it struck them as a brilliant brainstorm late at night."
try to solve a problem by thinking intensely about it
"When we couldn't figure out how to fix the leaky pipe, we sat around brainstorming until someone remembered that old trick from their grandfather."
To investigate something, or solve a problem using brainstorming.
"The team decided to spend an hour in a room without phones just to brainstorm how we could fix the glitch before it reaches our customers."