WordWeb Online

1. A party of guests wearing costumes and masks
   - masquerade party, masque, mask
    
2. A costume worn as a disguise at a masquerade party
   - fancy dress, masquerade costume
    
3. Making a false outward show
   "a beggar's masquerade of wealth";
   - charade

1. Take part in a masquerade
    
2. 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"

Derived forms: masqueraded, masquerades, masquerading

Type of: costume, disguise, feigning, impersonate, mask, party, personate, pose, pretence [Brit, Cdn], pretending, pretense [N. Amer], simulation

Encyclopedia: Masquerade