There was an easiness of manner about them that charmed him.
(On Hamlet's R.) Custom hath made it in him a property of easiness.
He was slim and vigorous, with a kind of easiness even in his most hasty movements.
Easiness applies to the thing done, rather than to the doer.
But all this prodigality and easiness of life detracts a little from ambition.
She had accepted ...