"Knock galley-west" is a phrase used to describe something that has been thrown into chaos or disarray. There are many synonyms that can be used instead of this phrase, including "upset," "overturn," "disrupt," "capsize," "overthrow," and "overturn." Each of these words has slightly different connotations and can be used in different contexts, but all of them convey the idea of something being thrown into disorder. Depending on the specific situation, different synonyms might be more appropriate to use. However, all of them are useful for expressing the idea of something going awry or being thrown off course.