The set of rules for language (7)

I believe the answer is:

grammar

(Other definitions for grammar that I've seen before include "Correct usage of words" , "Branch of language study" , "Study of basic linguistic units" , "Study of words and sentences" , "Rules for words formation and structures" .)

I've seen this clue in the Sydney Morning Herald.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.