Debate
Discussion
noun, verbal noun, の adjective
I'm going to chastise you about this theory. When I do this, this is a debate. Doesn't it feel like you're being chastised when people are debating with you sometimes, especially with your own theories? I think so.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
私は給与削減と年金減額に関する討論に加わった。
I participated in the discussion about salary cuts and the reduction of pensions.