The verb "hacerse" in Spanish means "to become" or "to make oneself." It is often used to describe a change in state or identity, such as when someone adopts a new role or profession. For example, one might say "me hice médico" to indicate that they became a doctor. "Hacerse" can also imply a deliberate action taken by a person to achieve a certain condition or status. This usage is common in phrases like "hacerse rico," meaning "to become rich." It emphasizes the effort or transformation involved in the process of change.