Having something to do with something is an expression used to suggest a connection or correlation between two things. There are several synonyms that can be used in place of this phrase, such as relate, pertain, concern, involve, or refer to. For instance, 'That discussion does not relate to our current situation', 'The article pertains to the topic at hand', 'The task involves a great deal of hard work', and 'The book refers to a significant event in history.' Using synonyms for 'have something to do with something' can enhance the clarity and precision of one's writing or speech.