noun (n)

• coming to full development; becoming mature(noun.process)

  Synonym:
  maturement, ripening
  

  source: wordnet30
• (biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level(noun.process)

  Synonym:
  development, growing, growth, ontogenesis, ontogeny
  Antonym:
  nondevelopment
  

  source: wordnet30
• (medicine) the formation of morbific matter in an abscess or a vesicle and the discharge of pus(noun.process)

  Synonym:
  festering, suppuration
  

  source: wordnet30
• The process of bringing, or of coming, to maturity; hence, specifically, the process of suppurating perfectly; the formation of pus or matter.(noun)

  source: webster1913