[peace] n [ME pees, fr. OF pais, fr. L pac-, pax; akin to L pacisci to agree--more at pact] (12c) 1: a state of tranquillity or quiet: as a: freedom from civil disturbance b: a state of security or order within a community provided for by law or custom "a breach of the ~"
2: freedom from disquieting or oppressive thoughts or emotions
3: harmony in personal relations
4. a: a state or period of mutual concord between governments b: a pact or agreement to end hostilities between those who have been at war or in a state of enmity 5--used interjectionally to ask for silence or calm or as a greeting or farewell -- at peace : in a state of concord or tranquillity
[2]peace vi (14c) obs: to be, become, or keep silent or quiet