prescriptively

/prɪˈskrɪptɪvli/
adverb
  1. In a way that tells people how something should be done or how language should be used, rather than describing how it is actually done or used.
    • The grammar guide was written prescriptively, insisting that sentences should never end with a preposition.
    • The style manual prescriptively dictates which words to avoid in formal writing.
    • Some teachers approach spelling prescriptively, marking any deviation from the dictionary as wrong.
Synonyms