Infumate, which means to fill with smoke, has several synonyms that can be used depending on the context of the sentence. One common synonym is fumigate, which refers to the act of exposing to smoke or vapors in order to disinfect or purify. Another synonym is smolder, which means to burn slowly or smoke without flames. Smoke out is another option, which refers to the act of driving or forcing someone or something out with smoke. Additionally, char, scorch, and singe can all be used as synonyms to describe the act of burning or charring with smoke or fire. Ultimately, the choice of synonym will depend on the intended meaning and context of the sentence.