assumed
as-sumed
verb (past tense/past participle)
Took on a responsibility, position, or quality; began to have.
"She assumed leadership of the team."
adjective
Accepted as true or existing without proof; adopted for a purpose.
"His assumed name fooled no one."
Thesaurus
Synonyms: fictitious, sham, put on, imitative, pretended, fictive, false, counterfeit