Wassailed is a word used to describe a festive occasion where people indulge in drinking and feasting. However, there are many other words that you can use to describe such a celebration. You could refer to it as a "party," "festivity," or "gathering." You might also use the words "revelry," "merriment," or "jubilation." If you want to emphasize the drinking aspect of the celebration, you could use words like "binge," "booze-up," or "carousal." Whatever word you choose, it should convey the sense of joy and camaraderie that comes with a gathering of friends and loved ones for a festive occasion.