noun (n)

• (psychology) the conscious exclusion of unacceptable thoughts or desires(noun.act)

  Synonym:
  suppression
  

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

  source: wordnet30
• (physiology) the process whereby nerves can retard or prevent the functioning of an organ or part(noun.process)

  Example:
  The inhibition of the heart by the vagus nerve.
  

  source: wordnet30
• the action of prohibiting or inhibiting or forbidding (or an instance thereof)(noun.act)

  Example:
  A medical inhibition of alcoholic beverages.
  

  Synonym:
  forbiddance, prohibition
  

  source: wordnet30
• The act of inhibiting, or the state of being inhibited; restraint; prohibition; embargo.(noun)

  source: webster1913