EASE n. 3 definitions
Freedom from constraint, formality, difficulty, embarrassment, etc.; facility; liberty; naturalness; -- said of manner, style, etc.; as, ease of style, of behavior, of address. True ease in writing comes from art, not chance. Pope. Whate'er he did was done with so much ease, In him alone 't was natural to please. Dryde…
EASINESS n. 2 definitions
Freedom from effort, constraint, or formality; -- said of style, manner, etc. With painful care, but seeming easiness. Roscommon.
EASY a.
At ease; free from pain, trouble, or constraint; as: (a) Free from pain, distress, toil, exertion, and the like; quiet; as, the patient is easy. (b) Free from care, responsibility, discontent, and the like; not anxious; tranquil; as, an easy mind. (c) Free from constraint, harshness, or formality; unconstrained; smooth…