efface in WordNet English dictionary

1. remove completely from recognition or memory
   "efface the memory of the time in the camps"
   obliterate  efface 
   
2. remove by or as if by rubbing or erasing
   "Please erase the formula on the blackboard--it is wrong!"
   erase  rub out  score out  efface  wipe off 
   
3. make inconspicuous
   "efface oneself"
   efface