verb (v)

• increase in size, volume or significance(verb.change)

  Synonym:
  magnify
  

  source: wordnet30
• to enlarge beyond bounds or the truth(verb.communication)

  Synonym:
  exaggerate, hyperbolise, hyperbolize, magnify, overdraw, overstate
  Antonym:
  downplay, minimise, minimize, understate
  

  source: wordnet30
• exaggerate or make bigger(verb.change)

  Synonym:
  blow up, expand, inflate
  

  source: wordnet30
• increase the volume of(verb.change)

  Example:
  Amplify sound.
  

  source: wordnet30
• To render larger, more extended, or more intense, and the like; -- used especially of telescopes, microscopes, etc.(verb)

  source: webster1913
• To become larger.(verb)

  source: webster1913