The Spanish word "estilo" refers to one's style or manner of doing things. There are several synonyms for this word that can be used depending on the context. For instance, "manera" refers to one's way or method of doing things, while "tecnica" refers to the specific skill set or approach used. "Forma" can also be used to describe the way in which one does something. Additionally, "modo" refers to the manner or mode in which something is done, and "estetica" refers to the overall aesthetic or style of something. Using these synonyms can help to add variety and nuance to one's vocabulary while communicating in Spanish.