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]
(..) .. Over here, three seemingIy innocent biIIiard baIIs, yes? .. Depress the number, it's a sIeeping-gas bomb effective in under three seconds. .. So put your mind at ease. You are safe within these waIIs. .. I don't know about you, but I'II sIeep better... .. .. (..)1999 Wild Wild West