Noun

1. The exposure of an impostor or a fraud

Verb

1. Expose or make accessible to some action or influence
2. Make known to the public information that was previously known only to a few people or that was meant to be kept a secret
3. To show, make visible or apparent
4. Remove all or part of one's clothes to show one's body
5. Disclose to view as by removing a cover
6. Put in a dangerous, disadvantageous, or difficult position
7. Expose to light, of photographic film
8. Expose while ridiculing; especially of pretentious or false claims and ideas
9. Abandon by leaving out in the open air