eruditely, oratorically, declarative sentence, ex tempore, repetitiously, intelligibly, conversationally, articulately, gettysburg address, aloud, lucidly, imprecisely, sonorously, ad lib, subjunctive mood, stump speech, elliptically, trippingly, wittily, sparely, shakespearean sonnet, inaudibly, allegorically, softly, con brio, verbatim, coherently, idiomatically, concisely, inaugural address, mot juste, crisply, poetically, melodiously, interpretively, bons mots, divina commedia, expressively, reflectively, resonantly, woodenly, eloquently, chromatic scale, fleetly, puckishly, stirringly, meaninglessly, incoherently, rhapsodically, queen mab, tunefully, perfunctorily, fluently, congenially, learnedly, skillfully, verbosely, nonverbally, sagaciously, ringingly, cogently, ungrammatically, vivaciously, terza rima, deftly, loftily, sotto voce, scat singing, obliquely, didactically, teacherly, glancingly, unintelligibly, lawyerly, da capo, metrically, cuttingly, basso profundo, feelingly, percussively, slyly, robotically, bloviation, fortissimo, ex cathedra, confidently, piano sonata, quippy, straightforwardly, voluminously, enrapt, thoughtfully, indistinctly, turgidly, impersonally, kyrie eleison, waffly, intransitive verb, antiseptically, symphonically, nonsensically, laboriously

improvisation

extemporarily, extempore