[1] : The Collaborative International Dictionary of English v.0.48

concert \concert"\, 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
see also:
concerted concerting series concern 

[2] : The Collaborative International Dictionary of English v.0.48

concert \concert"\, v. i.
   to act in harmony or conjunction; to form combined plans.
   1913 webster

         the ministers of denmark were appointed to concert with
         talbot.                                  --bp. burnet
   1913 webster

[3] : The Collaborative International Dictionary of English v.0.48

concert \con"cert\ ko^n"s~ert, 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.
      1913 webster

            all these discontents, how ruinous soever, have
            arisen from the want of a due communication and
            concert.                              --swift.
      1913 webster

   2. musical accordance or harmony; concord.
      1913 webster

            let us in concert to the season sing. --cowper.
      1913 webster

   3. a musical entertainment in which several voices or
      instruments take part.
      1913 webster

            visit by night your lady's chamber window
            with some sweet concert.              --shak.
      1913 webster

            and boding screech owls make the concert full.
                                                  --shak.
      1913 webster

   concert pitch. see under pitch.
      1913 webster
see also:
concert concert pitch pitch 

[4] : WordNet (r) 2.0

concert
     n : a performance of music by players or singers not involving
         theatrical staging
     v 1: contrive a plan by mutual agreement
     2: settle by agreement; "concert one's differences"

[5] : Moby Thesaurus II by Grady Ward, 1.0

271 moby thesaurus words for "concert":
   philharmonic concert, acclamation, accompaniment, accord,
   accordance, act in concert, act together, affiliate, affinity,
   agreement, agreement of all, alliance, ally, amalgamate, argue,
   arrange, assent, associate, association, attune, attunement, band,
   band concert, band together, be in league, bipartisanship, cahoots,
   calculate, cast, chamber concert, chime, chiming, chorus,
   club together, co-working, coact, coaction, coadjuvancy,
   coadministration, coagency, coalesce, cochairmanship,
   codirectorship, coherence, coincide, coincidence, collaborate,
   collaboration, collaborativeness, collectivism, collectivity,
   collude, collusion, combination, combine, combined effort,
   commensalism, common assent, common consent, common effort,
   common enterprise, communalism, communism, communitarianism,
   community, compatibility, complicity, concentus, concert,
   concerted action, concomitance, concord, concordance, concourse,
   concur, concurrence, confederate, confluence, conformance,
   conformation, conformity, congeniality, congruence, congruency,
   congruity, conjunction, consensus, consensus gentium,
   consensus of opinion, consensus omnium, consent, consentaneity,
   consilience, consistency, consolidate, consonance, consonancy,
   consort, conspiracy, conspire, contrive, cooperate, cooperation,
   cooperativeness, correspondence, cut out, debate, design, devise,
   diapason, discuss, do business with, dramatico-musical, duet,
   duumvirate, ecumenicalism, ecumenicism, ecumenism, equivalence,
   esprit, esprit de corps, euphony, federate, fellow feeling,
   fellowship, figure, forecast, frame, fuse, general acclamation,
   general agreement, general consent, general voice,
   get heads together, get together, go partners, hang together,
   harmonics, harmonize, harmony, heavy harmony, hold together,
   homophony, hook up, instrumental, intend, intersection, jazz,
   jazzy, join, join in, join together, joining of forces,
   joint effort, joint operation, junction, keep together, lay plans,
   league, league together, like-mindedness, make a projection,
   make arrangements, make common cause, mass action,
   meeting of minds, merge, methodize, monochord, monody, morale,
   musical performance, musical program, mutual assistance,
   mutual understanding, mutualism, mutuality, octet, one accord,
   one voice, oneness, orchestral, organize, overlap, parallelism,
   parasitism, partner, peace, performance, philharmonic, plan,
   plan ahead, play ball, pooling, pooling of resources, pop concert,
   pops, popular concert, prearrange, program, program of music,
   project, prom, promenade concert, pull together, pulling together,
   put heads together, quartet, quintet, rapport, rationalize,
   reciprocate, reciprocity, recital, rock, same mind, saprophytism,
   schedule, schematize, self-consistency, septet, service of music,
   set up, settle, sextet, shape, simultaneity, single voice,
   solidarity, stand together, swing, symbiosis, symmetry, symphonic,
   symphony, symphony concert, sync, synchronism, synchronization,
   syncopated, synergism, synergy, systematize, tally, team spirit,
   team up, teamwork, three-part harmony, throw in together, tie in,
   tie up, timing, total agreement, trio, triumvirate, troika, tune,
   unanimity, unanimousness, understanding, uniformity, union, unison,
   unisonance, unite, unite efforts, united action,
   universal agreement, work out, work together, work up

[6] : Virtual Entity of Relevant Acronyms (Version 1.9, June 2002)

concert
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Concert >> C Words
Concert, definition of term: Concert
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Concert Pitch >> C Words
Concert Pitch, definition of term: Concert Pitch
concert+pitch_pag1.html