noun (n)

• a statement that is not literally false but that cleverly avoids an unpleasant truth(noun.communication)

  Synonym:
  evasion
  

  source: wordnet30
• intentionally vague or ambiguous(noun.attribute)

  Synonym:
  evasiveness, prevarication
  

  source: wordnet30
• falsification by means of vague or ambiguous language(noun.act)

  Synonym:
  tergiversation
  

  source: wordnet30
• The use of expressions susceptible of a double signification, with a purpose to mislead.(noun)

  source: webster1913