Ordinary
Normal, Common
な adjective
If 一般 is "general"/"common" then something that has 的 attached to it is ordinary or normal or common.
いっぱんてき
The reading comes from 一般 plus 的.
大学卒業後も実家に住み続けることは、日本ではそこそこ一般的です。
Continuing to live in your parents’ home after graduating from college is pretty common in Japan.