Experience
noun, verbal noun
Through various tests over the passage of time, you have gained much experience. Time and testing is all it takes.
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、飛行機で旅行をした経験がありません。
I've never had the experience of traveling by plane.
友達を助けようとしたら、今度は非難のほこ先が自分に向いてしまうという経験をしたことがある人はいますか?
Has anyone else had the experience where you try to help a friend and then you get blamed instead?
「そうだ、結婚カウンセリングは試してみたの?」 「もちろん、とっくに経験済みだわよ。でも、上手くいかなかったわ。」
"Oh! Have you tried marriage counseling yet?" "Of course. We experienced that a long time ago but it went badly."