Mellifluous (adj)

“Richly sweet and smooth in speech or tone; resonant and flowing; honeyed. Adverb: mellifluously; noun: mellifluousness.

‘The best American essay on him, in my opinion, was by Edmund Wilson, dry and to the point, There was not mellifluous English nonsense about the ‘inimitable’ and ‘incomparable.’”

V.S. Pritchett, The Tale Bearers

Excerpted from: Grambs, David. The Random House Dictionary for Writers and Readers. New York: Random House, 1990.