* Eloquence: This is the most common and direct way to turn "eloquent" into a noun. It refers to the quality of being eloquent, meaning the ability to speak or write in a fluent, persuasive, and expressive way.
* Elocution: This noun refers to the art of public speaking, specifically focusing on clear and effective delivery. While it's related to eloquence, it's more focused on the technical aspects of speech.
* Eloquent person/speaker/writer: You can also use "eloquent" as an adjective to describe a person who is eloquent. For example: "The lawyer was known for his eloquent arguments."
So, the best way to turn "eloquent" into a noun depends on the specific context and meaning you want to convey.