masquerade:1

noun
mas*quer*ade \ ˌma-skə-ˈrād \
1587{ds||1|a|}
  • a social gathering of persons wearing masks and often fantastic costumes
  • a costume for wear at such a gathering
  • an action or appearance that is mere disguise or show

masquerade:2

verb
masquerade \
1677{ds||1|a|}
  • to disguise oneself; also : to go about disguised
  • to take part in a masquerade
  • to assume the appearance of something one is not
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