cooperated

/K OW0 AA1 P ER0 EY0 T AH0 D/
verb
  1. 1

    To work or act together, especially for a common purpose or benefit.

  2. 2

    To allow for mutual unobstructed action

  3. 3

    To function in harmony, side by side

  4. 4

    To engage in economic cooperation.

Source: https://en.wiktionary.org/wiki/cooperate, https://en.wiktionary.org/wiki/cooperated