noun (n)

• a creation (a new device or process) resulting from study and experimentation(noun.artifact)

  Synonym:
  invention
  

  source: wordnet30
• the creation of something in the mind(noun.cognition)

  Synonym:
  conception, design, excogitation, invention
  

  source: wordnet30
• the act of starting something for the first time; introducing something new(noun.act)

  Synonym:
  creation, foundation, founding, initiation, instauration, institution, introduction, origination
  

  source: wordnet30
• The act of innovating; introduction of something new, in customs, rites, etc.(noun)

  source: webster1913