Masquerade

1. A Spanish diversion on horseback.
2. To frolic or disport in disquise; to make a pretentious show of being what one is not.
3. To conceal with masks; to disguise.
4. An assembly of persons wearing masks, and amusing themselves with dancing, conversation, or other diversions.
5. A dramatic performance by actors in masks; a mask. See 1st Mask, 4.
6. Acting or living under false pretenses; concealment of something by a false or unreal show; pretentious show; disguise.
7. To assemble in masks; to take part in a masquerade.