to deal with (historical events, a person's life, etc.) in fictional form, as in a narrative that includes imaginary events, characters, dialogue, etc.
transitive verbfic·tion·al·ized, fic·tion·al·iz·ing, fic·tion·al·iz·es
To treat as or make into fiction: “has fictionalized his people and their town, but we know they are real” (Harper's).
(third-person singular simple present fictionalizes, present participle fictionalizing, simple past and past participle fictionalized)
fictional + -ize