The preparation or implementation of a policy or proposal on language use; specifically the codifying and standardization of the language or languages to be used in a nation with many local languages or dialects.
Origin
1940s.
Definition of language planning in US English:
language planning
noun
Linguistics
The preparation or implementation of a policy or proposal on language use; specifically the codifying and standardization of the language or languages to be used in a nation with many local languages or dialects.