Pact has "peace" at its root because a pact often ends a period of unfriendly relations. The word is generally used in the field of international relations, where diplomats may speak of an "arms pact", a "trade pact", or a "fishing-rights pact". But it may also be used for any solemn agreement or promise between two people; after all, whenever two parties shake hands on a deal, they're not about to go to war with each other.
We supported a peace pact between the two countries.
They made a pact to go to the gym together three times a week.
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The three-way pact is scheduled for joint review starting July 1.—Foreign Correspondent, Los Angeles Times, 21 Feb. 2026 The pact, part of a realignment of MLB’s sports-rights relationships gives ESPN purview over thousands of games that are made available to fans outside a specific home team’s market — widely seen as some of the most passionate and enthusiastic among followers of the national pastime.—Brian Steinberg, Variety, 20 Feb. 2026 The United States this year is negotiating a renewal of a pact Trump reached with those two countries in his first term.—ABC News, 19 Feb. 2026 Trout is signed through the 2030 season after inking the 12-year pact ahead of the 2019 season.—Ryan Morik, FOXNews.com, 17 Feb. 2026 See All Example Sentences for pact
Word History
Etymology
Middle English, from Middle French, from Latin pactum, from neuter of pactus, past participle of pacisci to agree, contract; akin to Old English fōn to seize, Latin pax peace, pangere to fix, fasten, Greek pēgnynai