
Fictitious
Not Deceptive
Use 'fictitious' without intending to deceive; it describes something made-up for storytelling or illustrating a point. 
Neutral Use
'Fictitious' is neutral and does not carry negative connotations unless the context suggests dishonesty or fraud. 
Creative Contexts
'Fictitious' is often used in creative contexts like writing or movies to indicate parts not based on fact. 