Asimov, the surname of the acclaimed science fiction author Isaac Asimov, doesn't really have any widely used synonyms. However, there are a few different ways to refer to Asimov and his works. One might refer to him as a sci-fi legend, a prolific writer, or a master of the genre. Some of his most famous works include the Foundation series, the Robot series, and the short story "Nightfall." Asimov's science fiction explored complex themes and ideas, and he is widely regarded as one of the most important figures in the history of the genre.