Lewis & Short

pācĭfĭcus, a, um, adj. [pacificator], peacemaking, pacific, peaceable (class.): persona, * Cic. Att. 8, 12, 4: secures, the axes in the fasces of the lictors, Luc. 7, 63: Janus, Mart. 8, 66.
Plur. as subst.: beati pacifici, Vulg. Matt. 5, 9.
Esp.: victimae pacificae, peaceofferings, Vulg. Exod. 29, 28: hostiae, id. ib. 32, 6.
As subst.: pācĭfĭca, ōrum, n., peace-offerings: obtulit pacifica, Vulg. 2 Reg. 6, 17 et saep.
Hence, adv.: pācĭ-fĭcē, pacifically, peaceably (post-class.): consulere, Cypr. Ep. 41; Vulg. Gen. 26, 31.