noun (n)

• the trait of abstaining (especially from alcohol)(noun.attribute)

  Synonym:
  abstention
  

  source: wordnet30
• act or practice of refraining from indulging an appetite(noun.act)

  source: wordnet30
• The act or practice of abstaining; voluntary forbearance of any action, especially the refraining from an indulgence of appetite, or from customary gratifications of animal or sensual propensities. Specifically, the practice of abstaining from intoxicating beverages, -- called also total abstinence.(noun)

  source: webster1913