A commander had more trouble to concert his defense before the people than to plan . . . the campaign.
Burke.
Con*cert", v. i. To act in harmony or conjunction; to form combined plans.
The ministers of Denmark were appointed to concert with Talbot.
Bp. Burnet
Con"cert (k&obreve;n"s&etilde;rt), n. [F. concert, It. concerto, conserto, fr. concertare. See Concert, v. t.] 1. Agreement in a design or plan; union formed by mutual communication of opinions and views; accordance in a scheme; harmony; simultaneous action.
All these discontents, how ruinous soever, have arisen from the want of a due communication and concert.
Swift.