noun (n)

• reduction in size of an organ or part (as in the return of the uterus to normal size after childbirth)(noun.process)

  source: wordnet30
• a long and intricate and complicated grammatical construction(noun.communication)

  source: wordnet30
• marked by elaborately complex detail(noun.attribute)

  Synonym:
  elaborateness, elaboration, intricacy
  

  source: wordnet30
• the act of sharing in the activities of a group(noun.act)

  Synonym:
  engagement, involvement, participation
  Antonym:
  non-engagement, non-involvement, nonparticipation
  

  source: wordnet30
• the process of raising a quantity to some assigned power(noun.act)

  Synonym:
  exponentiation
  

  source: wordnet30
• the action of enfolding something(noun.act)

  Synonym:
  enfolding
  

  source: wordnet30
• The act of involving or infolding.(noun)

  source: webster1913