Noun
a mask worn as part of a masquerade costume
Source: WordNetFalse face must hide what the false heart doth know. William Shakespeare
We're a different sort of thief here, Lamora. Deception and misdirection are our tools. We don't believe in hard work when a false face and a good line of bullshit can do so much more. Scott Lynch
The urge to save humanity is almost always only a false face for the urge to rule it. H. L. Mencken
There is a beautiful transparency to honest disciples who never wear a false face and do not pretend to be anything but who they are. Brennan Manning