trenchant, persuasive, succinct, compelling, eloquent, coherent, insightful, nuanced, credible, articulate, thoughtful, lucid, incisive, rational, substantive, perceptive, plausible, factual, concise, principled, perspicacious, pithy, erudite, unpersuasive, pertinent, illuminative, forceful, comprehensible, dispassionate, facile, intelligible, discursive, sententious, defensible, simplistic, polemical, sagacious, counterfactual, glib, instructive, salient, impassioned, apposite, filmable, philosophic, sophistic, unambiguous, aphoristic, hermeneutical, longwinded, fatuous, obtuse, irrefutable, perspicuous, refutable, specious, witty, rationalistic, tu quoque, sensible, ipse dixit, commonsensical, percipient, incontrovertible, prolix, conclusory, unanswerable, proffered, prescient, enlightening, clearheaded, revelatory, syllogistic, inapposite, tenable, astute, germane, forthright, ex tempore, mordant, declarative sentence, unexceptionable, expository, riveting, unreasoned, ex cathedra, exhortatory, philosophical, empirical, straightforward, edifying, pellucid, vacuous, convincing, sophistical, jejune, digressive, tendentious, mealymouthed, ponderable, obiter dictum, admonitory, ancient, direct, pleasing, advanced, arbitrary, believe, burnt, bushels, cloudy, conflicting, descriptive, deserving, devout, discerning, docs, dozen, earnest, efficient, conclusive, oversimplified, consequentialist

inconstant

forceful, influential, potent, powerful, telling, weighty