S: (n) syntax (studies of the rules for forming admissible sentences)
S: (n) generative grammar ((linguistics) a type of grammar that describes syntax in terms of a set of logical rules that can generate all and only the infinite number of grammatical sentences in a language and assigns them all the correct structural description)
S: (n) morphology (studies of the rules for forming admissible words)
W: (adj) grammatical [Related to: grammar] (conforming to the rules of grammar or usage accepted by native speakers) "spoke in grammatical sentences"
W: (adj) grammatic [Related to: grammar] (of or pertaining to grammar) "the grammatic structure of a sentence"; "grammatical rules"; "grammatical gender"
W: (adj) grammatical [Related to: grammar] (of or pertaining to grammar) "the grammatic structure of a sentence"; "grammatical rules"; "grammatical gender"