The phrase "get the memo" is commonly used in the workplace to indicate that someone needs to understand an important message or change. However, there are several synonyms that can be used in its place. For instance, "receive the message" is a solid alternative that conveys the same meaning. Another option is "understand the directive," which emphasizes the importance of comprehending the information. Alternatively, "catch the drift" can be used informally to express the same idea. It's always good to have a variety of phrases and expressions at our disposal to keep our communication fresh and effective.