[计] 冒充, 伪装

Masquerade \Mas`quer*ade"\, v. i. [imp. & p. p. {Masqueraded};
p. pr. & vb. n. {Masquerading}.]
1. To assemble in masks; to take part in a masquerade.

2. To frolic or disport in disquise; to make a pretentious
show of being what one is not.

A freak took an ass in the head, and he goes into
the woods, masquerading up and down in a lion's
skin. --L'Estrange.