housewarming

noun

Etymology: From house + warming.

1. A party to celebrate moving into a new home.

   “In the eyes of Mr. Farquhar Fenelon Cooke the apotheosis of the Celebrity was complete. The people of Asquith were not only willing to attend the house-warming, but had been worked up to the pitch of eagerness.”

2. The act of welcoming a person/family to their newly purchased or newly rented home.

   “a housewarming gift”

   “They had their first argument on the evening Gadney moved in, their housewarming spat, he later called it.”