noun (n)

• a person who smiles(noun.person)

  source: wordnet30
• the human face (`kisser' and `smiler' and `mug' are informal terms for `face' and `phiz' is British)(noun.body)

  Synonym:
  countenance, kisser, mug, phiz, physiognomy, visage
  

  source: wordnet30
• One who smiles.(noun)

  source: webster1913