1ease 
/ˈi:z/ noun
/ˈi:z/ noun [noncount] 1 : freedom from pain or trouble : comfort of body or mind
▪ a life of ease 2 : lack of difficulty
▪ The program is known for its ease of use. [=it is easy to use] ▪ I was able to do it with (surprising) ease. [=easily] ▪ These features can be modified with the greatest of ease. [=very easily] 3 : a relaxed and informal way of behaving
▪ He delighted people with his charm and ease of manner. [=his relaxed and easy manner]
▪ a life of ease
▪ The program is known for its ease of use. [=it is easy to use] ▪ I was able to do it with (surprising) ease. [=easily] ▪ These features can be modified with the greatest of ease. [=very easily]
▪ He delighted people with his charm and ease of manner. [=his relaxed and easy manner]
at ease 1 also at your ease : in a relaxed and comfortable state
▪ Her relaxed manner at the meeting put/set everyone at (their) ease. ▪ They no longer felt at ease [=comfortable] with each other. ▪ You can set/put your mind at ease. [=you can relax and stop worrying] — see also ill at ease 2 : standing silently with the feet apart and one or both hands behind the body
▪ The troops stood at ease. — often used as a military command ▪ At ease! — compare at attention at attention
▪ Her relaxed manner at the meeting put/set everyone at (their) ease. ▪ They no longer felt at ease [=comfortable] with each other. ▪ You can set/put your mind at ease. [=you can relax and stop worrying] — see also ill at ease
▪ The troops stood at ease. — often used as a military command ▪ At ease! — compare at attention at attention
take your ease
: to rest or relax
▪ I found him taking his ease on the front porch.
▪ I found him taking his ease on the front porch.
