noun (n)

• the quality of being false or artificial (as to impress others)(noun.attribute)

  Antonym:
  unaffectedness
  

  source: wordnet30
• a deliberate pretense or exaggerated display(noun.act)

  Synonym:
  affectation, mannerism, pose
  

  source: wordnet30
• Affectation.(noun)

  source: webster1913