English to English

noun (n)

• lightness created by sunlight(noun.attribute)

  source: wordnet30
• the quality of being cheerful and dispelling gloom(noun.attribute)

  Synonym:
  cheer, cheerfulness, sunshine
  Antonym:
  uncheerfulness
  

  source: wordnet30
• The quality or state of being sunny.(noun)

  source: webster1913