Emily Dickinson Lexicon

PAC'I-FY, v.t. [Fr. pacifier; Sp. pacificar; It. pacificare; L. pacifico; pax, pacis, peace, and facio, to make.]

1. To appease, as wrath or other violent passion or appetite; to calm; to still; to quiet; to allay agitation or excitement; as, to pacify a man when angry, or to pacify his wrath or rage; the word being applied both to the person, and to the passion. So we say, to pacify hunger, to pacify importunate demands.
2. To restore peace to; to tranquilize; as, to pacify countries in contention. – Bacon.