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.