Idioms:
at peace

To maintain or observe law and order, a state of security or order within a community provided for by law or custom, freedom from civil disturbance: officers who were sworn to keep the peace.

1: not agitated; without losing self-possession; "spoke in a calm voice"; "remained calm throughout the uproar"

2: characterized by absence of emotional agitation; "calm acceptance of the inevitable"; "remained serene in the midst of turbulence"; "a serene expression on her face"; "she became more tranquil"; "tranquil life in the country"

3: (of weather) free from storm or wind; "calm seas"

4: marked by freedom from agitation or excitement; "the rioters gradually became calm and slowly dispersed" n : steadiness of mind under stress; "he accepted their problems with composure and she with equanimity"

1: make calm or still; "quiet the dragons of worry and fear"

2: make steady; "steady yourself"

3: become quiet or calm, especially after a state of agitation; "After the fight both men need to cool off."; "It took a while after the baby was born for things to settle down again."

4: cause to be calm or quiet as by administering a sedative to; "The patient must be sedated before the operation"

At peace, becalm, calm down, calmness, chill out, civil, composure, cool it, cool off, cool, equanimity, halcyon, harmonious, hushed, in order, inactive, low-key, lull, mild, motionless, pacific, pastoral, peaceful, placid, quiescent, quiet, reposeful, reposing, restful, rural, sedate, serene, settle down, simmer down, slow, smooth, soothing, standstill, steady, still, stormless, tranquil, tranquilize, unagitated, undisturbed, unruffled, waveless, windless

agitate, discomposure, excited, frenzied, rough, stimulate, stormy, turbulent, violent, wild,

1. Free of sound.

2. Low in sound; hushed or subdued. marked by absence of sound; "a silent house"; "soundless footsteps on the grass"; "the night was still"

3. Not moving or in motion. not in physical motion; "the inertia of an object at rest"

4. Free from disturbance, agitation, or commotion. "a ribbon of sand between the angry sea and the placid bay"; "the quiet waters of a lagoon"; "a lake of tranquil blue water reflecting a tranquil blue sky"; "a smooth channel crossing"; "scarcely a ripple on the still water"; "unruffled water

5. Free from a noticeable current: a still pond; still waters.

1. Silence; quiet

2. (poetic) tranquil silence; "the still of the night"

1. Without movement; motionlessly: without moving or making a sound; "he sat still as a statue"; "time stood still"; "they waited stock-still outside the door", stand still.

2.

3. In increasing amount or degree; even: and still further complaints.

4. with reference to action or condition; without change, interruption, or cessation; "it's still warm outside"; "will you still love me when we're old and grey?"

1. To make still or tranquil. make calm or still; "quiet the dragons of worry and fear"

2. To make quiet; silence. cause to be quiet or not talk; "Please silence the children in the church!"

3. To make motionless.

4. To allay; calm: lessen the intensity of or calm; "The news eased my conscience"; "still the fears" The parents stilled their child's fears of the dark.

At rest, buttoned up, clammed up, close-mouthed, closed, deathlike, deathly,

deathly quiet, deathly still, fixed, halcyon, hushed, hushful, iced, inert, lifeless, motionless, noiseless, pacific, peaceful, placid, quiet, restful, sealed, serene, silent, smooth, soundless, stable, stagnant, static, stationary, stilly, stock-still, tranquil, undisturbed, unruffled, unstirring, untroubled, inactive, static, hush, stillness, soundless, stock-still, calm, calm down, quiet, tranquilize, lull, silence, shut up, hush up, allay, relieve, ease