IPA: /ˈpæsɪfaɪər/
KK: /ˈpæsɪfaɪər/
A small rubber or plastic object shaped like a nipple that babies suck on to feel comforted or to stop crying.
The baby calmed down as soon as she got her pacifier.
Pacifier → It is formed from "pax" (meaning peace) and the suffix "-ifier" (meaning to make). The word "pacifier" refers to something that makes peace or soothes, particularly in the context of calming a baby.
Think of 'peace' ('pax') and how a pacifier is something that helps to 'make peace' by soothing a baby.