What is the meaning of bring down?

verb

• Move something or somebody to a lower position.
  • usage: "take down the vase from the shelf"
  • synonyms: lower, take down, let down, get down
• Cause the downfall of; of rulers.
  • usage: "The Czar was overthrown"; "subvert the ruling class"
  • synonyms: overthrow, subvert, overturn
• Impose something unpleasant.
  • usage: "The principal visited his rage on the students"
  • synonyms: inflict, visit, impose
• Cause to come to the ground.
  • usage: "the pilot managed to land the airplane safely"
  • synonyms: land, put down
• Cause to be enthusiastic.
  • usage: "Her playing brought down the house"
• Cut down on; make a reduction in.
  • usage: "reduce your daily fat intake"; "The employer wants to cut back health benefits"
  • synonyms: reduce, cut down, cut back, trim, trim down, trim back, cut