Synonyms for Unmask:

n.

ascertain, read up on, gather, get, establish, find out. lay open, bare, bring to light, make plain, unclothe. unmask (noun)
uncloak.

v.

demonstrate (verb)
indicate, evince, convince, flaunt, illustrate, manifest, present, demonstrate, display, show, flourish, unveil, uncover.
disclose (verb)
proclaim, divulge, advertise, disclose, express, confess, broadcast, announce, exhibit, assert, uncloak, testify, reveal, brief, disseminate, declare, communicate.
discover (verb)
dig up, breakthrough, expose, recognize, solve, determine, unravel, identify, disinter, unearth, detect, find, fathom, discover, realize, elicit, educe, Unriddle.
reveal (verb)
confess, disclose, bare, display, exhibit, divulge, unclothe, uncover, show, announce, expose, unearth, unveil, bring to light.

Other synonyms:

unclothe. discover
detect.
reveal
expose, unclothe.
Other relevant words:
bare, make plain, lay open, bring to light, find out, unclothe.

Usage examples for unmask

  1. It is your duty to unmask hypocrisy, and to drag hidden evil to light, but will you teach her to suspect and distrust? – A Day Of Fate by E. P. Roe
  2. However, at supper all will unmask and we shall see who he is. – Cruel As The Grave by Mrs. Emma D. E. N. Southworth