housewarming

noun

1. (idiomatic)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.”

   “Fortunately, Dave had left them a packet of rollie tobacco and papers for a housewarming”