Noel (4)
'noel' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for yule that I've seen before include "This time of year of old" , "festive tide" , "Noel" , "Seasonal feast (arch.)" , "The feast of Christmas" .)
(Other definitions for pere that I've seen before include "A French father or priest" , "Le - Goriot (Balzac)" , "Large ruminants" , "French father sounds fruity" .)