1. pretended to be someone or something else in order to deceive
Usage: past tense of masquerade
2. attended a masquerade ball or costume party
Usage: past tense of masquerade; literal sense

Examples

• The spy masqueraded as a diplomat for years.
• She masqueraded as a wealthy heiress to gain access to the exclusive club.
• The criminal masqueraded as a police officer during the robbery.
• They masqueraded as tourists while gathering intelligence.
• The guests masqueraded as historical figures at the themed party.
• He masqueraded as a concerned citizen but was actually working for the corporation.