DIVISION (I.) FORMATION OF IDEAS
Section III. Means of Communicating Ideas
Conventional Means: Spoken Language
Loquacity. –N. talkativeness; garrulity; multiloquence; effusion; wordiness; jaw; gabble; jabber; chatter; prate; cackle; twaddle; blabber; bavardage; bibble-babble, gibble-gabble; small talk; fluency, flippancy, volubility, flowing tongue; verbosity; eloquence; talker; chatterer; chatterbox; babbler; sermonizer, proser, driveller, windbag, gossip; magpie, jay, parrot, poll, Babel.
Taciturnity. –N. silence, muteness, obmutescence; pauciloquy; costiveness; curtness; reserve, reticence (concealment); aposiopesis; man of few words..
Thesaurus of Words and Phrases by Peter Mark Roget, M.D., F.R.S. Enlarged by John Lewis Roget, M.A., New Edition Revised and Enlarged by Samuel Romily Roget, M.A. Published by Grosset & Dunlap, the edition is copyright 1941, 1947.