There are various synonyms for the phrase "time of peace." Some popular options include "era of tranquility," "period of calm," "age of serenity," and "season of harmony." Other synonyms that can be used to describe a peaceful time include "moment of stillness," "time of repose," "phase of stability," and "interval of quiet." These phrases can be used in various contexts to indicate the absence of conflict, war, or strife. Whether discussing an individual's personal life or a broader social or political situation, having access to a range of synonyms for the word "peace" can help to convey different nuances and shades of meaning.