concerted

/K AH0 N S ER1 T AH0 D/
verb
  1. 1

    To plan together; to settle or adjust by conference, agreement, or consultation.

  2. 2

    To plan; to devise; to arrange.

  3. 3

    To act in harmony or conjunction; to form combined plans.

adjective
  1. 1

    Performed through a concert of effort; done by agreement or in combination.

  2. 2

    Having separate parts for voices and instruments

Source: https://en.wiktionary.org/wiki/concert, https://en.wiktionary.org/wiki/concerted