verb (v)

• refuse to acknowledge(verb.communication)

  Synonym:
  cut, disregard, snub, turn a blind eye
  

  source: wordnet30
• bar from attention or consideration(verb.communication)

  Synonym:
  brush aside, brush off, discount, dismiss, disregard, push aside
  

  source: wordnet30
• fail to notice(verb.perception)

  Antonym:
  mark, note, notice
  

  source: wordnet30
• give little or no attention to(verb.cognition)

  Synonym:
  disregard, neglect
  

  source: wordnet30
• be ignorant of or in the dark about(verb.cognition)

  Antonym:
  cognise, cognize, know
  

  source: wordnet30
• To be ignorant of or not acquainted with.(verb)

  source: webster1913