The phrase "be subjected to" is commonly used to describe someone or something being exposed to a certain condition or situation. However, there are several other phrases that can be used as synonyms for this expression. For instance, to "undergo" is a great substitute for "be subjected to" and it implies a process of change or transformation. You may also use "experience," "endure," "face," or "bear" to convey the same meaning. Furthermore, "suffer" and "tolerate" can also be used as synonyms. Always keep in mind the context when selecting a synonym, as it will help you choose the most appropriate one for your sentence.