To Unmask

1. (transitive) To remove a mask from someone.
2. (transitive) To expose, or reveal the true character of someone.
3. (intransitive) To remove one's mask.
4. (intransitive) To cease engaging in masking, to cease disguising one's autism.
5. (transitive, computing) To enable (an interrupt, etc.) by unsetting or setting the associated bit.