Adjectives

(s)fabricated, fancied, fictional, fictitiousformed or conceived by the imagination“a fabricated excuse for his absence”, “a fancied wrong”, “a fictional character”
(s)assumed, false, fictitious, fictive, pretended, put on, shamadopted 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”