Masquerade

Masquerade (Spanish for "mask") stands for:

Masquerade (film) , Austrian operetta film by Willi Forst (1934)
Masquerade (2010) , horror film
Masquerade (Chatschaturjan) , theater music by Aram Chatschaturjan (1941)
Mummenschanz (novel) , original masquerade , Discworld novel by Terry Pratchett (1995)
Masquerade (Lermontow) , drama by Michail Lermontow (1835)
Vampires: The Masquerade , Pen & Paper RPG
outdated for a fancy dress ball
Masquerade (song) , a song by the German rapper Sido

See also:

Wiktionary: Masquerade - explanations of meanings, word origins, synonyms, translations