"Go along with" is a commonly used idiomatic expression that means to support, agree or conform to someone or something. If you are looking for synonyms to spice up your writing, here are some alternate phrases to consider. You can use words like "accede to", "concur with", "follow suit", "fall in line with", "endorse", "approve", "back up", "support" or "be in sync with". All of these synonyms convey the same sentiment, but they add variety to your writing that can keep your readers engaged. Remember to choose the right synonym that fits the context of your writing.