WordNet (r) 3.0 (2006):

bring down
    v 1: move something or somebody to a lower position; "take down
         the vase from the shelf" [syn: lower, take down, let
         down, get down, bring down] [ant: bring up,
         elevate, get up, lift, raise]
    2: cause the downfall of; of rulers; "The Czar was overthrown";
       "subvert the ruling class" [syn: overthrow, subvert,
       overturn, bring down]
    3: impose something unpleasant; "The principal visited his rage
       on the students" [syn: inflict, bring down, visit,
       impose]
    4: cause to come to the ground; "the pilot managed to land the
       airplane safely" [syn: land, put down, bring down]
    5: cause to be enthusiastic; "Her playing brought down the
       house"
    6: cut down on; make a reduction in; "reduce your daily fat
       intake"; "The employer wants to cut back health benefits"
       [syn: reduce, cut down, cut back, trim, trim down,
       trim back, cut, bring down]

Moby Thesaurus II by Grady Ward, 1.0:

121 Moby Thesaurus words for "bring down":
   abase, abash, acquire, be responsible for, beat down, belittle,
   blow down, blow over, blow to pieces, blow up, bowl down,
   bowl over, brain, break down, bring into discredit, bring low,
   bring on, bring upon, bulldog, bulldoze, burn down, burn to death,
   cast down, chop down, contract, crush, cry down, cut down,
   cut to pieces, dash down, deal a deathblow, debase, deck, decry,
   degrade, demean, depreciate, derogate from, detract from, diminish,
   disapprove of, discredit, disgrace, disintegrate, disparage, down,
   drop, dump, dump on, fall in with, fall into, fell, fetch down,
   flatten, floor, frag, gain, get, give the quietus, ground,
   gun down, hew down, hold in contempt, incinerate, incur, invite,
   jugulate, knock, knock down, knock over, lapidate, lay level,
   lay low, lay out, level, lower, make little of, minimize, mow down,
   pistol, poleax, precipitate, prostrate, pull down, put down, rase,
   raze, reduce, reflect discredit upon, riddle, run, run down,
   send headlong, set down, shoot, shoot down, shoot to death,
   shotgun, silence, slight, smash, speak ill of, spread-eagle,
   stab to death, steamroller, stone, stone to death, strike dead,
   submit to indignity, supinate, take down, tear down, throw,
   throw down, topple, trip, trip up, tumble, vaporize, welcome,
   whack down