brain‧storm‧ing /ˈbreɪnstɔːmɪŋ $ -ɔːr-/
noun [uncountable] when a group of people meet in order to try to develop ideas and think of ways of solving problems:
a brainstorming session to come up with slogans for new products—brainstorm verb [intransitive and transitive]:
Employees get together and brainstorm ideas. [TahlilGaran] Dictionary of Contemporary English ▲