noun (n)

• the act of enrolling(noun.act)

  Synonym:
  enrollment, enrolment
  

  source: wordnet30
• the body of people (such as students) who register or enroll at the same time(noun.group)

  Synonym:
  enrollment
  

  source: wordnet30
• a document certifying an act of registering(noun.communication)

  source: wordnet30
• (music) the sound property resulting from a combination of organ stops used to perform a particular piece of music; the technique of selecting and adjusting organ stops(noun.attribute)

  source: wordnet30
• the act of adjusting something to match a standard(noun.act)

  Synonym:
  adjustment, readjustment
  

  source: wordnet30
• The act of registering; registry; enrollment.(noun)

  source: webster1913