verb (v)

• remove completely from recognition or memory(verb.change)

  Example:
  Efface the memory of the time in the camps.
  

  Synonym:
  obliterate
  

  source: wordnet30
• make inconspicuous(verb.emotion)

  Example:
  Efface oneself.
  

  source: wordnet30
• remove by or as if by rubbing or erasing(verb.contact)

  Synonym:
  erase, rub out, score out, wipe off
  

  source: wordnet30
• To cause to disappear (as anything impresses or inscribed upon a surface) by rubbing out, striking out, etc.; to erase; to render illegible or indiscernible; as, to efface the letters on a monument, or the inscription on a coin.(verb)

  source: webster1913