To conceal (someone) with, or as if with, a mask; to disguise.
To take part in a masquerade; to assemble in masks and costumes; (loosely) to wear a disguise.
To pass off as a different person or a person with qualities that one does not possess; also, to make a pretentious show of being what one is not.
The act of wearing a mask or dressing up in a costume for, or as if for, a masquerade ball.
An assembly of varied, often fanciful, things.
An assembly or party of people wearing (usually elaborate or fanciful) masks and costumes, and amusing themselves with dancing, conversation, or other diversions.
A cosplay event at which costumed attendees perform skits.
An act of living under false pretenses; a concealment of something by a false or unreal show; a disguise, a pretence; also, a pretentious display.