From Longman Dictionary of Contemporary Englishfictionalizefic‧tion‧al‧ize (also fictionalise British English) /ˈfɪkʃənəlaɪz/ verb [transitive] ASTORYto make a film or story about a real event, changing some details and adding some imaginary characters a fictionalized account of his life in Berlin→ See Verb table
Examples from the Corpus
fictionalize• The books fictionalize a fundamentalist reading of the New Testament's contentious Book of Revelation.• Choosing to fictionalize a true story gives her a lot of liberties, and she takes every last one.• "Zoot Suit" is Valdez's fictionalized version of a famous murder case. 