"Back in the day, when the whole partygate thing exploded, there were certain posters who could see nothing wrong with any of it (nurses, cake, everyone does it, blah blah) who got incensed by the word 'parties'.
We had to call them 'get togethers'. Apparently that is passable. But when there is a cake, speeches, bottles of fizz and a dozen people in the room, it isn't a party. "
Gatherings was acceptable (although not legal)