The phrase "accomplished ease" is correct and usable in written English.
It can be used to describe someone who performs a task with skill and without difficulty, suggesting a level of expertise and comfort in their actions.
Example: "She navigated the complex dance routine with accomplished ease, impressing everyone in the audience."
Alternatives: "effortless skill" or "masterful grace".
Compromise, whether hard won or accomplished with ease, seems to be the rule whenever two gardeners share one piece of land.
The sewing upon a gentleman's shirt can be accomplished with ease in one hour upon a first-class sewing machine.
While most Silicon Valley firms will have a business incentive to work with any administration, it is hard to envision that some celebrities — especially those in Hollywood — would be as interested in aiding a conservative president, or that a politician less attuned to pop culture could pull off the sort of videos Obama has accomplished with ease.
Deformity correction of up to 20° was accomplished with ease, and the osteotomy site remodelling resulted in an absence of secondary femoral deformity, which facilitates arthroplasty later.
In particular, Mathieu and Marjorie had trouble adjusting their tapping when the phase or period of the metronome changed a task the control group accomplished with ease.
What sounded like a crisis when expressed by your mother over the phone ("I can't do X, Y or Z") may be easily solved, or may have been an exaggeration about frustration with some other new limitation in her abilities that is affecting her ability to cope with tasks she once accomplished with ease.
What can be built, what can technology accomplish, to ease any shortages?
Finally, there's Pandora and the Flying Dutchman, a bizarre film by Albert Lewin that tries to do what Powell and Pressburger accomplish with ease: create a truly strange, distinct film.
The shift to a faster tempo was accomplished with magical ease.
