B1
If you experience something, it happens to you, or you feel it.
Dictionary examples:
We experienced sheer panic when the Wi-Fi went down for five minutes. (0.0)
Tom experienced panic when he realized his phone was in his other hand. (0.0)
I experienced true fear when my mom said, 'We need to talk.' (0.0)
It was the worst pain I'd ever experienced. (24.8)
We experienced a lot of difficulty selling our house. (32.6)