English to English

verb (v)

• spur on or encourage especially by cheers and shouts(verb.communication)

  Synonym:
  barrack, cheer, exhort, inspire, root on, urge, urge on
  

  source: wordnet30
• make more interesting or lively(verb.change)

  Example:
  Pep up your paper.
  

  Synonym:
  ginger up, jazz up, juice up
  

  source: wordnet30