English to English

verb (v)

• make a dummy of(verb.creation)

  Example:
  Dummy up the books that are to be published.
  

  Synonym:
  dummy
  

  source: wordnet30
• refuse to talk or stop talking; fall silent(verb.communication)

  Synonym:
  be quiet, belt up, button up, clam up, close up, keep mum, shut up
  Antonym:
  open up
  

  source: wordnet30