Make sure your argument is persuasive by learning the three modes of persuasion— ethos , pathos, and logos—and how to effectively use them in communication. Explore the definition of the word " ethos ," as well as its versatile usage, synonyms, examples, etymology, and more. Ethos is the set of ideas and attitudes that is associated with a particular group of people or a particular type of activity. Learn more about the word origin, synonyms, examples, and usage of ethos in different contexts. I. Definition Ethos was one of Aristotle’s three modes of persuasion, standing alongside logos (logical argument) and pathos (emotions). Ethos is the trickiest of the three to define, but it roughly means credibility or character. It’s the strategy of showing your audience that you’re trustworthy and honorable, and you know what you’re talking about. This is usually done through tone, but there are other subtle techniques as well, which we’ll explore. It’s important to remember ...