The definition of auteurism is the belief that a movie should primarily reveal the director’s feelings and beliefs as if he has written it himself.
The theory that the director’s vision should be clearly seen in a movie is an example of auterism.
in film criticism, the theory according to which the primary creator of a film is the director, all of whose works are said to reflect to a certain degree the characteristics of a personal style
See auteur theory.
auteur + -ism