The word "demoed" is a colloquial or informal abbreviation of "demonstrated". Synonyms for "demoed" include showcased, presented, exhibited, illustrated, proven, displayed, exemplified, exposed, and performed. All of these verbs convey the idea of explaining or displaying a product or concept to an audience or group of people. Depending on the context, one synonym may be more appropriate than another. For example, "exhibited" may be more fitting in an art museum setting, while "proved" may be more suitable when demonstrating the functionality of a new technology. Regardless of the specific synonym used, the goal is to effectively communicate and educate through demonstration.