He's got a surface flow of suavity, But he's rough as a rasp underneath.
Mozart usually keeps his surfaces smoother than Haydn, achieving a more polished suavity.
But the well-bred, artificial smile, when he bent upon the guests, had its wonted steely suavity.
This is the simplest description of her character which, although by no means without liberal motions, rarely succeeded in giving an impression of suavity.