He delighted people with his charm and 'ease' of manner. [=his relaxed and easy manner]
The students might respond better if the teacher 'eased up on' them a little.
These features can be modified 'with the greatest of ease'. [=very easily]
(..) We are the saviors of my life. So be it until there is no enemy, but peace. Amen. Arm. At ease. Good night, ladies. Good night, sir. -Hit it, sweetheart. -Sir, aye, aye, sir. Right shoulder. (..)1987 Full Metal Jacket