Rhematic

Within a non-theme, transitionals cede to rhematics, the transition itself being lowest on the CD scale.

The object of rhetoric is persuasion,—of logic, conviction,—of grammar, significancy. A fourth term is wanting, the rhematic, or logic of sentences.

He [Coleridge] establishes an opposition between Σύνταξις ῥημάτων or ῥηματική ("rhematic"), the art of joining words into sentences, and γραμματική ("grammar"), which in its derivation from γράμμα (a letter, written character) is the art of joining letters together, spelling. Or, cf CN IV 4771: "Grammar [is] the scheme & instrument of connecting words significantly, the Meta-grammatic <rhematic>, the Doctrine of arranging words perspicuously" […]

rhematic adjectives

Passive rhematic adjectives ending in -able […]

Emotion may sometimes cause the speaker to adopt a marked sequence, and the rhematic adjective will then appear in sentence-initial position.

Since in many languages adverbs do not have a fixed place in the word order, questions can be used to isolate the unmarked position of rhematic adverbs. […] There are facets of contrastive NPs [noun phrases] which are both "old" or thematic information and "new" or rhematic information. Consider the use of contrastive constructions to repair texts. In such cases the contrastive NP represents rhematic information in that it adds information to the text which corrects the hearer's error.

In terms of its phrasal environment, adjective intensification seems to occur most 'naturally' in predicative position. By modifying an independent, rhematic adjective, the intensifiers seem to perform their function in the most efficient way.