Definition of substantial:
unanimous, pile, generous, major, body, abundant, bulky, essential, widely, sober, boxcar, positive, great, eventful, tidy, heavy, large, celebratory, officious, continue, consequential, straight, grand, much, plentiful, funereal, respectable, significant, healthy, solid, self-colored, biggish, big, developed, good, enormous, veridical, whole, extraordinary, payout, stiff, frugal, lusty, pregnant, principal, affluent, light, unattackable, cheering, unquestionable, comforting, humorlessly, weighty, straightforward, tectonic, meaty, goodly, megabucks, handsome, abundant, alfresco, bounteous, ample, sure, big money, sensible, unassailable, mint, oversize, sound, full-blooded, windfall, plenitudinous, hefty, material, satisfying, rich, valuable, plentiful, bountiful, extensive, stout, give, king-size, ample, unshakable, upstanding, certain, immense, fortune, phenomenal, much, meaning, existent, square, wide, wholesome, matter, strong, in essence, hearty, self-coloured, plenteous, literal, slap-up, monumental, huge, copious, potent, stolid, earth-shattering, big bucks, large, solemn, wealth, sizable, red-blooded, visible, warm, well-to-do, sit-down, voluminous, substantive, vast, earthshaking, secure, real, husky, opulent, high, hulking, outsize, in earnest, demonstrable, inviolable, considerable, deep, momentous, historic, largish, impregnable.
- strong (part of speech: adjective)
- real (part of speech: adjective)
- substantial (part of speech: adjective)
- wealthy (part of speech: adjective)
- material (part of speech: adjective)
- solid (part of speech: adjective)
- important (part of speech: adjective)
- "Tom Swift and his Electric Runabout or, The Speediest Car on the Road", Victor Appleton.
He knew that savages are the most practical of mortals, and that it is entirely outside their code of ethics to go to a vast deal of trouble and risk without the prospect of adequate and substantial advantage to be gained thereby.- "The Triumph of Hilary Blachland", Bertram Mitford.
- "The Finding of Haldgren", Charles Willard Diffin.