unmasking (noun)

1. In Greek mythology, the hero Perseus successfully completed his quest by unmasking Medusa as a fraud.

2. In the famous detective novel, the detective unveils the truth by unmasking the imposter who had been posing as the main character's long-lost brother.

3. In the scripture, the prophet denounced the false prophet by unmasking his deceitful intentions.

4. At the masquerade ball, the glamorous actress surprised everyone by unmasking herself and revealing her true identity.