Conspiracy :  (noun)
1: a secret agreement between two or more people to perform an unlawful act [syn: confederacy]
2: a plot to carry out some harmful or illegal act (especially a political plot) [syn: cabal]
3: a group of conspirators banded together to achieve some harmful or illegal purpose [syn: confederacy]

Anschluss, accompaniment, accordance, addition, affiliation, agglomeration, aggregation, agreement, alliance, amalgamation, art, artful dodge, artifice, assimilation, association, blend, blending, blind, cabal, cahoots, cartel, centralization, chicane, chicanery, co-working, coaction, coalescence, coalition, coincidence, collaboration, collectivity, collusion, combination, combine, combined effort, combo, complicity, complot, composition, concert, concerted action, concomitance, concordance, concourse, concurrence, confederacy, confederation, confluence, congeries, conglomeration, conjugation, conjunction, conn, connivance, connivery, consilience, consolidation, contrivance, contriving, cooperation, correspondence, counterplot, coup, covin, craft, cute trick, deceit, deep-laid plot, design, device, dirty work, disloyalty, dodge, dodgery, ecumenism, embodiment, encompassment, engineering, enosis, expedient, faithlessness, fakement, falsity, federalization, federation, feint, fetch, finagling, finesse, foul play, frame-up, fusion, gambit, game, gimmick, grift, hookup, inclusion, incorporation, integration, intrigue, jugglery, junction, junta, knavery, league, little game, machination, maneuver, maneuvering, manipulation, marriage, meld, melding, merger, move, package, package deal, parasitism, perfidiousness, perfidy, pettifoggery, pettifogging, plot, plotting, ploy, practice, racket, red herring, rigging, ruse, saprophytism, scheme, schemery, scheming, sedition, sharp practice, shift, simultaneity, skulduggery, sleight, solidification, stratagem, strategy, subterfuge, supercherie, symbiosis, synchronism, syncretism, syndication, syneresis, synergy, synthesis, tactic, tie-up, treacherousness, treachery, treason, trick, trickery, underhand dealing, underplot, unification, union, united action, web of intrigue, wedding, wile, wily device, wire-pulling,