Symposiac

(Synop., §130), a. [Fr. symposiaque, Lat. symposiacus, Gr. συμποσιακός.] Of, or pertaining to, compotations and merry-making; happening where company is drinking together; as, symposiac meetings. [Rare.] “Symposiac disputations amongst my acquaintance.” Arbuthnot.

n. A conference or conversation, as of philosophers at a banquet.