noun, noun or participle which takes 'suru', transitive verb
Refers to a lesson or moral drawn from an experience, story, or teaching. Often used in the sense of a guiding principle or a takeaway message. Can be used as a noun or with する to mean 'to learn a lesson' or 'to take to heart'.
失敗から教訓を学ぶ。
Learn a lesson from failure.
この話
What is the moral of this story?
彼の言葉を教訓として受け止めた。
I took his words as a lesson.