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

kickback \kick"back`\, n.
   1. recoil, of a gun or machine, as in older automobile
      engines when started by turning a crank.
      pjc

   2. a secret, and usually illegal, payment, by a recipient of
      money paid for goods or services, to a facilitator of the
      transaction, of a portion of that money; specifically, any
      portion of a gain made by the seller in a commercial
      transaction which is returned surreptitiously and
      illegally to a person such as a purchasing agent who
      authorized or recommended the purchase. it is generally
      considered a form of bribe.
      pjc

[2] : WordNet (r) 2.0

kickback
     n : a commercial bribe paid by a seller to a purchasing agent in
         order to induce the agent to enter into the transaction

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

63 moby thesaurus words for "kickback":
   abatement, agio, allowance, backfire, backlash, backlashing,
   bank discount, boomerang, bounce, bound, breakage, bribe, carom,
   cash discount, chain discount, charge-off, commission,
   compensation, concession, contrecoup, cut, deduction, depreciation,
   discount, drawback, kick, payola, penalty, penalty clause,
   percentage, premium, price reduction, price-cut, rebate,
   rebatement, rebound, rebuff, recalcitration, recoil, recoupment,
   reduction, refund, refundment, reimbursement, repayment,
   repercussion, repulse, resilience, restitution, return, reward,
   ricochet, rollback, salvage, setoff, share, spring, tare,
   time discount, trade discount, tret, underselling, write-off

Kickback >> K Words
Kickback, definition of term: Kickback
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