Fluent, forcible, elegant, and persuasive speech in public; the power of expressing strong emotions in striking and appropriate language either spoken or written, thereby producing conviction or persuasion.
Fig.: Whatever produces the effect of moving and persuasive speech.
Eloquence, at its highest pitch, leaves little room for reason or reflection, but addresses itself entirely to the desires and affections, captivating the willing hearers, and subduing their understanding. David Hume