All 4 Uses

efface
in
The Mill on the Floss
(Auto-generated)

This idea became stronger as she felt more and more certain that she knew the road quite well, and she was considering how she might open a conversation with the injured gypsy, and not only gratify his feelings but efface the impression of her cowardice, when, as they reached a cross-road.†
Chpt 1.11
But he presently went into his father's room, and the sight there touched him in a way that effaced the slighter impressions of the previous hour.†
Chpt 3.2
"Oh, Bob, it's you!" said Maggie, starting up with a smile of pleased recognition, for there had been no abundance of kind acts to efface the recollection of Bob's generosity; "I'm so glad to see you."†
Chpt 4.3 *
This new experience was very agreeable to her, so agreeable that it almost effaced her previous emotion about Philip.†
Chpt 6.2

Definitions:

(1) (efface as in: efface the memory)
remove completely from recognition or memory -- sometimes by erasing
(2) (efface as in: efface herself)
to make oneself inconspicuous or unimportant
(3) (meaning too rare to warrant focus)
More rare, specialized senses include:
- ballet -- a way of standing at an angle that hides part of the body from view
- medicine -- describing the cervix as getting shorter, softer, and thinner during labor