Forum permissions: "mark reply as answer"

The permission means suggest as answer. The OP and certain elevated roles can "verify" a response.

A related thread for you: Who can mark a reply as a suggested answer? 

A bit more on the voting thresholds:  How do I change the types of threads or thread answer and auto-locking configuration for a forum?

And some documentation on default permissions, just in case!  Default site, group, and application permissions for roles

The permission means suggest as answer. The OP and certain elevated roles can "verify" a response.

A related thread for you: Who can mark a reply as a suggested answer? 

A bit more on the voting thresholds:  How do I change the types of threads or thread answer and auto-locking configuration for a forum?

And some documentation on default permissions, just in case!  Default site, group, and application permissions for roles