codification
process of selecting, developing and prescribing a model for standard language usage, involving publication of normative grammar, orthography etc.
en-US/ˌkɑdəfəˈkeɪʃən/
en-GB/ˌkɒdɪfɪˈkeɪʃən/
process of selecting, developing and prescribing a model for standard language usage, involving publication of normative grammar, orthography etc.