Sartre is a French philosopher who was known for his contributions to existentialism. There are several synonyms for the word "Sartre" that encapsulate his persona and philosophical ideas. "Existentialist" is a term used to describe individuals who believe in the concept of existence preceding essence. "Humanist" describes a person who focuses on the values and experiences of human beings. "Philosopher" refers to someone who seeks knowledge and understanding through rational inquiry. "Writer" refers to the prolific works penned by Sartre, which spanned numerous genres such as novels, plays, and critical essays. Overall, Sartre's legacy has left an indelible imprint on philosophy and literature.