brainstormed

/B R EY1 N S T AO0 R M D/
verb
  1. 1

    To investigate something, or solve a problem using brainstorming.

  2. 2

    To participate in a brainstorming session.

Source: https://en.wiktionary.org/wiki/brainstorm, https://en.wiktionary.org/wiki/brainstormed