noun (n)

• discriminating the individual from the generic group or species(noun.cognition)

  Synonym:
  individualisation, individualization
  

  source: wordnet30
• the quality of being individual(noun.attribute)

  Synonym:
  individualism, individuality
  Antonym:
  commonality, commonness
  

  source: wordnet30
• The act of individuating or state of being individuated; individualization.(noun)

  source: webster1913