The phrase "upping 'em" is often used to express an action of increasing or raising something. There are several synonyms that can be used in place of this expression, depending on the context and tone desired. These include elevating, boosting, heightening, enhancing, augmenting, amplifying, intensifying, escalating, and improving. Each of these words carries a slightly different connotation, which can be fine-tuned depending on the message being conveyed. For example, "elevating" can imply a sense of grandeur or importance, while "amplifying" suggests a louder or more impactful effect. Choosing the right synonym can enhance the clarity and impact of your message.