efface
1. [ verb ] remove completely from recognition or memory
Synonyms: wipe obliterate
Examples:

"efface the memory of the time in the camps"

Related terms: blur eradication
2. [ verb ] make inconspicuous
Examples:

: "efface oneself"

Related terms: humble effacement
3. [ verb ] remove by or as if by rubbing or erasing
Synonyms: rub_out score_out wipe_off erase
Examples:

"Please erase the formula on the blackboard--it is wrong!"

Related terms: delete sponge scratch_out eraser erasure rub