Most any definition of rape includes the denial of consent to the act by the victim. The girl that Polanski raped said no, therefore consent was not given and the act can be clearly defined as rape. If Polanski raped someone he can then be clearly defined as a rapist. This does not apply any subjective definition of rape, but an objective one. There are many legal definitions with the American justice system, but this site is not a part of that justice system. Calling him a rapist is merely an apt term. This does not say that rape is right or wrong but just that he is a rapist.