Save Gender Masculine Usage Late Roman Meaning & History Means "peaceable" in Latin, from pax "peace" and facio "to make, to do". Saint Pacificus of San Severino was a 17th-century Italian priest and miracle worker. Related NamesFamily Tree·Details Rootspax + facioOther Languages & CulturesPacifique(French) Pacifico(Italian) User SubmissionPacificus Categories Latin words, peace, virtues