verb (v)

• move downward and lower, but not necessarily all the way(verb.motion)

  Synonym:
  descend, fall, go down
  Antonym:
  ascend, go up
  

  source: wordnet30
• be the essential element(verb.change)

  Synonym:
  boil down, reduce
  

  source: wordnet30
• fall from clouds(verb.weather)

  Synonym:
  fall, precipitate
  

  source: wordnet30
• get sick(verb.body)

  Synonym:
  sicken
  

  source: wordnet30
• criticize or reprimand harshly(verb.communication)

  source: wordnet30