Gargantuan, absolute, adducible, admissible, amplitudinous, ascendant, astronomical, attestative, attestive, authentic, authoritarian, authoritative, authorized, autocratic, awe-inspiring, awesome, based on, big, binding, boundless, bulky, burdensome, certain, charismatic, charming, circumstantial, clothed with authority, cogent, colossal, commanding, competent, conclusive, consequential, considerable, consistent, controlling, convincing, corpulent, cosmic, cumbersome, cumbrous, cumulative, damning, decisive, decorous, demanding, demure, determinative, dignified, documentary, documented, dominant, duly constituted, earnest, effective, effectual, efficacious, elevated, eminent, empowered, enchanting, enormous, estimable, evidential, evidentiary, ex officio, ex parte, exacting, exhausting, exigent, extensive, eye-witness, factual, fat, fatal, fateful, final, firsthand, fleshy, formal, formidable, founded on, frowning, galactic, gigantic, good, governing, grand, grave, great, grievous, grim, grim-faced, grim-visaged, grinding, gross, grounded on, harsh, hearsay, heavy, heavyweight, hefty, hegemonic, hegemonistic, huge, immeasurable, immense, imperative, implicit, important, imposing, incontrovertible, indicative, indisputable, infinite, influential, inspiring, irrefutable, irresistible, just, king-size, large, lawful, leaden, leading, legal, legitimate, lofty, logical, long-faced, magnetic, majestic, mammoth, massive, massy, material, meaningful, mighty, momentous, monocratic, monster, monstrous, monumental, mountainous, moving, no-nonsense, noble, nuncupative, obese, official, onerous, oppressive, outsize, overburdensome, overgrown, overweight, overwhelming, personable, persuasive, ponderous, portentous, portly, potent, powerful, preeminent, prestigious, presumptive, probative, prodigious, prominent, puissant, ranking, reliable, reputable, ruling, sedate, self-consistent, senior, serious, severe, significant, sizable, sober, sober-minded, sobersided, solemn, solid, somber, sound, spacious, staid, stately, stone-faced, stout, straight-faced, strong, stupendous, suasive, sublime, substantial, sufficient, suggestive, superincumbent, superior, supreme, sure, symptomatic, taxing, telling, thoughtful, titanic, totalitarian, tough, tremendous, tyrannous, unsmiling, valid, vast, voluminous, wearing, wearying, well-founded, well-grounded, winning
importance, consequence, moment, prominence, consideration, mark, materialness, import, significance, concern, emphasis, interest, greatness, superiority, notability, weight, value, usefulness, gravity, seriousness, solemnity, no joke, no laughing matter, pressure, urgency, stress, matter of life and death, memorabilia, notabilia, great doings, red-letter day, great thing, great point, main chance, the be all and the end all, cardinal point, substance, gist, sum and substance, gravamen, head and front, important part, principal part, prominent part, essential part, half the battle, sine qua non, breath of one's nostrils, cream, salt, core, kernel, heart, nucleus, keynote, keystone, corner stone, trump card, salient points, top sawyer, first fiddle, prima donna, chief, triton among the minnows, 'it', important, of importance, momentous, material, to the point, not to be overlooked, not to be despised, not to be sneezed at, egregious, weighty
, of note, notable, prominent, salient, signal, memorable, remarkable, unforgettable, worthy of remark, worthy of notice, never to be forgotten, stirring, eventful, grave, serious, earnest, noble, grand, solemn, impressive, commanding, imposing, urgent, pressing, critical, instant, paramount, essential, vital, all-absorbing, radical, cardinal, chief, main, prime, primary, principal, leading, capital, foremost, overruling, of vital importance in the front rank, first-rate, superior, considerable, marked, rare, significant, telling, trenchant, emphatic, pregnant, tanti, materially, in the main, above all, kat' exochin, par excellence, to crown all, to beat all, expende Hannibalem!.
influence, importance, weight, pressure, preponderance, prevalence, sway, predominance, predominancy, ascendency, dominance, reign, control, domination, pull, authority, capability, effect, interest, synergy (cooperation), footing, purchase, play, leverage, vantage ground, tower of strength, host in himself, protection, patronage, auspices, influential, effective, important, weighty
, prevailing, prevalent, rife, rampant, dominant, regnant, predominant, in the ascendant, hegemonical, with telling effect, tel maure tel valet.
gravity, gravitation, weight, heaviness, specific gravity, pondorosity, pressure, load, burden, burthen, ballast, counterpoise, lump of, mass of, weight of, lead, millstone, mountain, Ossa on Pelion, weighing, ponderation, trutination, weights, avoirdupois weight, troy weight, apothecaries' weight, grain, scruple, drachma, ounce, pound, lb, arroba, load, stone, hundredweight, cwt, ton, long ton, metric ton, quintal, carat, pennyweight, tod, gram, centigram, milligram, microgram, kilogram, nanogram, picogram, femtogram, attogram, balance, scale, scales, steelyard, beam, weighbridge, spring balance, piezoelectric balance, analytical balance, two-pan balance, one-pan balance, postal scale, baby scale, statics, weighty
, weighing, heavy as lead, ponderous, ponderable, lumpish, lumpy, cumbersome, burdensome, cumbrous, unwieldy, massive, incumbent, superincumbent.