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.
I've never had the experience of traveling by plane.
Has anyone else had the experience where you try to help a friend and then you get blamed instead?
"Oh! Have you tried marriage counseling yet?" "Of course. We experienced that a long time ago but it went badly."