講演こうえんかい
kōenkai

Noun

1. lecture (esp. special engagement by noted speaker); lecture meeting (event with one or more lectures)

かれ講演こうえんかいにはたくさんの聴衆ちょうしゅうあつまっていた。
kareno kōenkainiwa takusanno chōshūga atsumatte ita.
His lecture had a large audience.