ADJ-GRADED [usually verb-link ADJ]奉公守法的；守规矩的；合法的 If you describe a person or thing as legit, you mean that they are in accordance with the law or with a particular set of rules and regulations. 奉公守法的；守规矩的；合法的 [informal]
I checked him out, he's legit.
我查过他了，他身家清白。
What is the point of going legit and getting married?