fictitious

adjectives

formed or conceived by the imagination
"a fabricated excuse for his absence"; "a fancied wrong"; "a fictional character"
fabricated, fancied, fictional, fictitious
is derived from
fiction
adopted in order to deceive
"an assumed name"; "an assumed cheerfulness"; "a fictitious address"; "fictive sympathy"; "a pretended interest"; "a put-on childish voice"; "sham modesty"
assumed, false, fictitious, fictive, pretended, put on, sham
is derived from
fiction