noun (n)

• falsification by means of vague or ambiguous language(noun.act)

  Synonym:
  equivocation
  

  source: wordnet30
• the act of abandoning a party for cause(noun.act)

  Synonym:
  apostasy
  

  source: wordnet30
• The act of tergiversating; a shifting; shift; subterfuge; evasion.(noun)

  source: webster1913