English to English

verb (v)

• turn red, as if in embarrassment or shame(verb.body)

  Synonym:
  blush, crimson, flush
  

  source: wordnet30
• make red(verb.change)

  Example:
  The setting sun reddened the sky.
  

  source: wordnet30
• turn red or redder(verb.change)

  Example:
  The sky reddened.
  

  source: wordnet30
• To make red or somewhat red; to give a red color to.(verb)

  source: webster1913
• To grow or become red; to blush.(verb)

  source: webster1913