Medical:
* Irrigation: This is the most common synonym for lavage in a medical context, especially when referring to washing out a body cavity or wound.
* Flushing: This is another common synonym, often used for procedures like gastric lavage.
* Douching: This term specifically refers to washing out the vagina.
* Rinsing: This is a less formal term, often used for washing out a body cavity.
* Washing: This is a general term that can be used for lavage, but it is not as specific.
Non-medical:
* Cleaning: This is a general term that can be used for lavage, but it is not as specific.
* Purging: This term can be used for lavage, but it often has a more negative connotation.
It's important to consider the context of the situation when choosing a synonym for "lavage." If you are unsure, it is always best to use the term "lavage" itself.