9 letters · 18 points in Scrabble
noun a meeting or conference for the public discussion of some topic especially one in which the participants form an audience and make presentations
originBorrowed from Latin symposium, from Ancient Greek συμπόσιον (sumpósion, “drinking party”) from συμπίνω (sumpínō, “drink together”), from συν- (sun-, “together-”) + πίνω (pínō, “drink”). Morphologically compare compotation.
Etymology from Wiktionary, CC BY-SA 3.0