When people say that they are "subject to something," they often mean that they are dependent on it or bound by it in some way. However, there are many ways to express this idea using different words and phrases. For instance, you could say that you are subject to the rules, regulations, or laws of a particular organization or governing body. Alternatively, you might say that you are affected by or influenced by something, such as weather conditions or economic factors. Other synonyms for "subject to" might include limited by, controlled by, or governed by, depending on the context in which the phrase is being used.