masquerade
charade
making a false outward show
a beggar's masquerade of wealth
pretend to be someone or something that you are not
he is masquerading as an expert on the internet
This silly novel is masquerading as a serious historical treaty
take part in a masquerade
fancy dress
masquerade costume
a costume worn as a disguise at a masquerade party
masquerade party
masque
mask
a party of guests wearing costumes and masks