The word "impregnates" means to fertilize or inseminate, but there are other words that can be used to convey the same meaning. Some synonyms for "impregnates" include "sires," "breeds," "begets," "engenders," and "generates." All of these words imply the act of initiating or creating new life, whether it is in animals or plants. Other related synonyms include "procreates," "reproduces," and "conceives," which suggest the idea of producing offspring or new beings. Using different synonyms can add richness and variation to your writing, allowing you to express yourself more effectively.