symposium
noun
[ sɪmˈpəʊzɪəm ]
• a conference or meeting to discuss a particular subject.
• a drinking party or convivial discussion, especially as held in ancient Greece after a banquet (and notable as the title of a work by Plato).
Origin:
late 16th century (denoting a drinking party): via Latin from Greek sumposion, from sumpotēs ‘fellow drinker’, from sun- ‘together’ + potēs ‘drinker’.