Rare/archaic: to use or treat according to grammatical rules.
grammatiserVerbe rare, surtout dans un emploi technique ou scolaire. Synonyms
standardize (language)
codify (grammar)
correct (grammar)
teach grammar
Attributive use (e.g., "grammar book"); functions as adjective only before a noun.
She gave a thorough grammar lesson to the class.
Elle a donné une leçon de grammaire approfondie à la classe.