Lave is an uncommon word that means to wash or bathe. If you're looking for synonyms, there's a range of options that can convey the similar idea of cleaning or cleansing. Some common synonyms include to cleanse, wash, rinse, shower, soak, scrub, bathe, or purify. Depending on the context, you may choose a more specific synonym, such as to launder clothes or to swab a wound. These options can provide color and nuance to your writing, helping you to select the precise word that best conveys your intended meaning.