S: (n) Islam, Islamism, Mohammedanism, Muhammadanism, Muslimism (the monotheistic religious system of Muslims founded in Arabia in the 7th century and based on the teachings of Muhammad as laid down in the Koran) "Islam is a complete way of life, not a Sunday religion"; "the term Muhammadanism is offensive to Muslims who believe that Allah, not Muhammad, founded their religion"
S: (n) religion, faith, religious belief (a strong belief in a supernatural power or powers that control human destiny) "he lost his faith but not his morality"