verb (v)

• lower (one's body) as by kneeling(verb.motion)

  Example:
  Get down on your knees!.
  

  source: wordnet30
• move something or somebody to a lower position(verb.motion)

  Synonym:
  bring down, let down, lower, take down
  Antonym:
  bring up, elevate, get up, lift, raise
  

  source: wordnet30
• alight from (a horse)(verb.motion)

  Synonym:
  dismount, get off, light, unhorse
  

  source: wordnet30
• pass through the esophagus as part of eating or drinking(verb.consumption)

  Synonym:
  swallow
  

  source: wordnet30
• lower someone's spirits; make downhearted(verb.emotion)

  Synonym:
  cast down, deject, demoralise, demoralize, depress, dismay, dispirit
  Antonym:
  elate, intoxicate, lift up, pick up, uplift
  

  source: wordnet30
• put down in writing; of texts, musical compositions, etc.(verb.communication)

  Synonym:
  put down, set down, write down
  

  source: wordnet30
• take the first step or steps in carrying out an action(verb.change)

  Example:
  Let's get down to work now.
  

  Synonym:
  begin, commence, get, set about, set out, start, start out
  Antonym:
  end, terminate
  

  source: wordnet30