'Concerted' definitions:

Definition of 'concerted'

(from WordNet)
adjective
Involving the joint activity of two or more; "concerted action"; "the conjunct influence of fire and strong wind"; "the conjunctive focus of political opposition"; "a cooperative effort"; "a united effort"; "joint military activities" [syn: concerted, conjunct, conjunctive, cooperative]

Definition of 'Concerted'

From: GCIDE
  • Concert \Con*cert"\, v. t. [imp. & p. p. Concerted; p. pr. & vb. n. Concerting.] [F. concerter, It. concertare, conertare, prob. from L. consertus, p. p. of conserere to join together; con- + serere to join together, influenced by concertare to contend; con- + centare to strive; properly, to try to decide; fr. cernere to distinguish. See Series, and cf. Concern.]
  • 1. To plan together; to settle or adjust by conference, agreement, or consultation. [1913 Webster]
  • It was concerted to begin the siege in March. --Bp. Burnet. [1913 Webster]
  • 2. To plan; to devise; to arrange. [1913 Webster]
  • A commander had more trouble to concert his defense before the people than to plan . . . the campaign. --Burke. [1913 Webster]

Definition of 'Concerted'

From: GCIDE
  • Concerted \Con*cert"ed\, a. Mutually contrived or planned; agreed on; as, concerted schemes, signals. [1913 Webster]
  • Concerted piece (Mus.), a composition in parts for several voices or instrument, as a trio, a quartet, etc. [1913 Webster]