There are numerous synonyms for the phrase "mean something", which is often used to convey a sense of importance or significance. Some of the most commonly used synonyms include "matters", "counts", "signifies", "has weight", "holds value", "carries weight", "has meaning", "is relevant", "is crucial", and "is significant". These synonyms can be particularly useful when trying to convey the importance of a particular concept or idea, as they allow for greater precision and clarity in language. By incorporating these synonyms into your writing or speech, you can enhance your ability to communicate effectively and accurately convey the intended meaning of your message.