(1):

(v. t.) A musical entertainment in which several voices or instruments take part.

(2):

(v. t.) Agreement in a design or plan; union formed by mutual communication of opinions and views; accordance in a scheme; harmony; simultaneous action.

(3):

(v. i.) To act in harmony or conjunction; to form combined plans.

(4):

(v. t.) Musical accordance or harmony; concord.

(5):

(v. t.) To plan; to devise; to arrange.

(6):

(v. t.) To plan together; to settle or adjust by conference, agreement, or consultation.