peacify,v.rare.|ˈpiːsɪfaɪ| [f. peace n. + -ify, influenced by pacify v.] To make calm, to pacify. 1845[see nursery languages.v. nursery 8 a].1922Joyce Ulysses 335 Joe and little Alf round him..trying to peacify him.1942Berrey & Van den Bark Amer.Thes. Slang §269/1 Peacify, to pacify.