at peace with

English

(idiomatic) Not disturbed or upset by.
- 1904, B. M. Bower, “The Spirit of the Range”, in The Lonesome Trail and Other Stories:
  He lay down, cuddled the blankets up to his ears, closed his eyes and composed himself to sleep, at peace with his conscience and the world.
(idiomatic) Not menacing or hostile toward.
- 1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], →OCLC, Psalms 1:4-5:
  If I have rewarded evil unto him that was at peace with me; (yea, I have delivered him that without cause is mine enemy:) let the enemy persecute my soul, and take it.