brainstorming
Concise Oxford English Dictionary © 2008 Oxford University Press:
brainstorm/ˈbreɪnstɔːm/
▶noun
- 1 Brit. informal a moment in which one is suddenly unable to think clearly.
- 2 a spontaneous group discussion to produce ideas and solutions to problems.
■ N. Amer. informal a sudden clever idea.
'brainstorming' also found in these Oxford entries:

