List of substantial synonyms and substantial related words.
ab ovo, able to pay, absolute, abundant, actual, adequate, affluent, allegorical, ample, appreciable, ascendant, associational, authentic, authoritarian, authoritative, authorized, autocratic, balanced, barely sufficient, basal, basic, big, big-league, big-name, big-time, bigwig, bigwigged, binding, bodily, bumper, calculable, charismatic, charming, close, close-knit, close-textured, close-woven, clothed with authority, cogent, comfortable, commanding, commensurate, compact, compacted, competent, compressed, concentrated, concrete, condensed, congested, connotational, connotative, consequential, considerable, consistent, consolidated, constituent, constitutive, controlling, cool, corporal, corporeal, corresponding, crammed, crammed full, crowded, de facto, decent, definable, denotational, denotative, dense, dependable, dominant, double-barreled, due, duly constituted, durable, earthly, earthshaking, easy, effective, effectual, efficacious, elemental, elementary, eminent, empowered, enchanting, enough, equal to, essential, estimable, ex officio, expressive, extended, extensional, factual, faithful, faithworthy, fast, fiducial, figurative, firm, firm as Gibraltar, fit, fleshly, for real, full of meaning, full of point, full of substance, fundamental, generous, genuine, gluey, good, good enough, good for, goodly, governing, grand, great, gross, gut, hard, healthy, heavy, heavyweight, hegemonic, hegemonistic, high-powered, historical, honest-to-God, huge, hylic, impenetrable, imperative, impermeable, imperturbable, important, impressive, in equilibrium, indicative, influential, intelligible, intensional, interpretable, invincible, jam-packed, jammed, just, key, landed, large, large-scale, lawful, leading, legal, legitimate, logical, magnetic, major, man-sized, massive, material, materiate, meaning, meaningful, meaty, metaphorical, mighty, minimal, minimum, momentous, monocratic, name, nonporous, nonspiritual, numberless, numerous, objective, of the essence, official, original, packed, palpable, personable, persuasive, phenomenal, physical, pithy, plenty, plenty good enough, pointed, ponderable, positive, potent, powerful, predictable, preeminent, pregnant, prestigious, primal, primary, primitive, principal, profitable, prominent, propertied, proportionate, prosperous, puissant, radical, ranking, readable, real, referential, reliable, reputable, respectable, rich, ruling, satisfactory, secular, secure, self-consistent, self-important, senior, sensible, sententious, serious, serried, significant, significative, sizable, sizeable, snug, solid, solvent, somatic, sound, stable, staunch, steadfast, steady, stout, strong, sturdy, suasive, substantive, successful, sufficient, sufficient for, sufficing, suggestive, suitable, superior, supreme, sure, surefire, symbolic, tall, tangible, telling, temporal, thick, thick-growing, thickset, tidy, totalitarian, transferred, true, trustworthy, trusty, undeniable, underlying, unfailing, unflappable, unflinching, unindebted, unshakable, unspiritual, unwavering, up to, valid, vast, veritable, viscid, viscose, viscous, wealthy, weighty, well, well-balanced, well-built, well-established, well-fixed, well-founded, well-grounded, well-heeled, well-off, well-to-do, winning, without nerves, world-shaking, worldly, worthwhile