ELOQUENCE
eloquence, fluency, smoothness
(noun) powerful and effective language; “his eloquence attracted a large congregation”; “fluency in spoken and written English is essential”; “his oily smoothness concealed his guilt from the police”
Source: WordNet® 3.1
Etymology
Noun
eloquence (countable and uncountable, plural eloquences)
The quality of artistry and persuasiveness in speech or writing.
(countable) An eloquent utterance.
Source: Wiktionary
El"o*quence, n. Etym: [F. Ă©loquence, L. eloquentia, fr. eloquens. See
Eloquent.]
1. 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.
Eloquence is speaking out . . . out of the abundance of the heart.
Hare.
2. Fig.: Whatever produces the effect of moving and persuasive
speech.
Silence that spoke and eloquence of eyes. Pope.
The hearts of men are their books; events are their tutors; great
actions are their eloquence. Macaulay.
3. That which is eloquently uttered or written.
O, let my books be then the eloquence And dumb presagers of my
speaking breast. Shak.
Syn.
– Oratory; rhetoric.
Source: Webster’s Unabridged Dictionary 1913 Edition