Synonyms for diction

style, expression, wording, phrasing, usage, choice of words, command of language, literary artistry, manner of expression, literary power, locution, rhetoric, fluency, oratory, pronunciation, articulation, enunciation, delivery, elocution, vocabulary, phraseology, verbiage, language, Sprachgefühl (German), lingo*, gift of gab*; see also eloquence 1, speech 2, wording.