Answer: potlatches

AnswerCrossword Clue
POTLATCHESNorhtwestern ceremonial festivals
POTLATCHESFestivals of Chinook Indians.
potlatchesPOTLATCH, to host a ceremonial feast
potlatches(among North American Indian peoples of the northwest coast) An opulent ceremonial feast at which possessions are given away or destroyed to display wealth or enhance prestige