The term PA is an acronym for Public Address, which is a system of amplifying sound. The crossword solutions for the term PA are DADDY (5 letters), DAD (3 letters), SpeakerSystem (13 letters), and OneOfTheKettles (15 letters). DADDY and DAD are both terms used to refer to a father, which is fitting as the term PA is often used to refer to a public address system that is used to make announcements, much like a father might do in a household. SpeakerSystem is a reference to the speakers used in a public address system, while OneOfTheKettles is a reference to the microphone, which is often referred to as a 'hot mic' or 'talking kettle'.