What does "brainstorming" mean?

A method of problem solving in which members of a group contribute ideas spontaneously.

Brainstorming

Common synonyms include: brainstorm, creative act, creative problem solving method, creative session, creative thinking, figure out a plan.

noun, verb

noun, verb ·3 syllables ·Uncommon ·Advanced level

Noun

1
A method of problem solving in which members of a group contribute ideas spontaneously. countable, uncountable
2
a group problem-solving technique in which members spontaneously share ideas and solutions wordnet

Verb

1
present participle and gerund of brainstorm form-of, gerund, participle, present

"Tom and Mary did some brainstorming."

From brainstorm + -ing.