eloquent
Fluent or persuasive in speaking or writing.
Adjective
This term describes a mastery of language that transcends mere correctness. It implies a rhythmic, graceful, and emotionally resonant quality that can move an audience or shift a perspective. While a speaker can be clear or articulate without being eloquent, eloquence requires a certain artistic flair and a deep connection between the words used and the emotion intended.
In contemporary usage, the word is almost always positive, though it can occasionally be used with a hint of irony to describe someone who is overly polished or performative. It is frequently applied to non-verbal communication as well, such as a silent look or a gesture that conveys a complex message more effectively than words could.