There are plenty of synonyms for the phrase "be serviceable", which means to be helpful, useful or beneficial in a particular situation. Some of these synonyms include providing assistance, being advantageous, offering support, aiding in the process, serving a purpose, contributing to the cause, fulfilling a need, being instrumental, and playing a part. All of these synonyms essentially mean the same thing, but they can add variety and depth to your writing and communication. Knowing synonyms for "be serviceable" can help you express your thoughts and ideas more effectively and can make you sound more articulate and knowledgeable.