The grammatical arrangement of words to form sentences; (also) the set of principles governing such arrangement; the branch of grammar concerned…

The set of rules and principles in a language according to which words, phrases, and clauses are arranged to create well-formed sentences; (also) the…

Coleridge's notional term for: the study or application of clarity and perspicuity of expression in sentences. Obsolete. rare.

The science of communication studied through the interpretation of signs and symbols as they operate in various fields, esp. language (see semiotic…

(The study of) the relationships between linguistic elements that occur sequentially in speech or writing.

Chiefly Semiotics and Philosophy. The study of the structural relations between signs; spec. (with reference to linguistic signs) syntax.

With singular agreement. The study of the ordering of lexemes in a language.