verb (v)

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

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

  source: wordnet30
• go under,(verb.motion)

  Synonym:
  go under, settle, sink
  Antonym:
  float, swim
  

  source: wordnet30
• grow smaller(verb.change)

  Synonym:
  decline, wane
  

  source: wordnet30
• be recorded or remembered(verb.stative)

  Example:
  She will go down as the first feminist.
  

  source: wordnet30
• be ingested(verb.consumption)

  Example:
  The food wouldn't go down.
  

  source: wordnet30
• be defeated(verb.competition)

  Example:
  If America goes down, the free world will go down, too.
  

  source: wordnet30
• disappear beyond the horizon(verb.motion)

  Synonym:
  go under, set
  Antonym:
  ascend, come up, rise, uprise
  

  source: wordnet30
• stop operating(verb.change)

  Synonym:
  crash
  

  source: wordnet30