The crossword solution for the term 'Film Wise Man With His Own Grammar' is Yoda, a four-letter word. Yoda is a fictional character from the Star Wars franchise, first appearing in the 1980 film The Empire Strikes Back. He is a small, green, ancient Jedi Master who is renowned for his wisdom and mastery of the Force. Yoda speaks in a unique syntax, often inverting his sentences, which has become iconic in popular culture.