noun (n)

• an outward or token appearance or form that is deliberately misleading(noun.attribute)

  Example:
  He hoped his claims would have a semblance of authenticity.
  

  Synonym:
  color, colour, gloss
  

  source: wordnet30
• an erroneous mental representation(noun.cognition)

  Synonym:
  illusion
  

  source: wordnet30
• picture consisting of a graphic image of a person or thing(noun.artifact)

  Synonym:
  likeness
  

  source: wordnet30
• Seeming; appearance; show; figure; form.(noun)

  source: webster1913