Two Methods: Sample Persuasive writing a Persuasive Essay. A persuasive essay is an essay used to convince a reader about a particular idea or focus, usually one that you believe in. Your persuasive essay could be based on anything about which you have an opinion. Whether you're arguing against the death penalty for school or petitioning for a raise from your boss, the persuasive essay is a skill that everyone should know. If you want to learn how to write a knock-it-out-of-the-park persuasive essay, then it's never too soon to start. Skills of writing and rhetoric can work enormously to your advantage and help you get what you want, when you want it.