This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. One who drinks wassail; one who engages in festivity, especially in drinking; a reveler.

n. One who takes part in a wassail or drinking-bout.

n. someone who enjoys riotous drinking

n. someone who proposes a toast; someone who drinks to the health of success of someone or some venture

"These words were afterwards corrupted into _wassail_ and _wassailer_."

toper    imbiber    drinker    juicer    champion   

reveler