well-grounded

well-grounded
    adj 1: logically valid; "a sound argument" [syn: {reasoned},
           {sound}, {well-grounded}]
    

112 Moby Thesaurus words for "well-grounded":
      adamantine, admissible, authoritative, binding, bulky, calculable,
      cogent, confirmed, consistent, credible, deep-dyed, deep-engraven,
      deep-fixed, deep-grounded, deep-laid, deep-rooted, deep-seated,
      deep-set, deep-settled, dense, dependable, durable,
      dyed-in-the-wool, embedded, embossed, enduring, engrafted,
      engraved, entrenched, established, etched, faithful, faithworthy,
      fast, firm, firmly established, good, graven, hard, heavy,
      implanted, impressed, imprinted, indelibly impressed, infixed,
      ingrained, ingrown, inveterate, invincible, inwrought, just,
      justifiable, lasting, lawful, legal, legitimate, logical,
      long-established, massive, old-line, on a rock, on bedrock,
      plausible, predictable, rational, reasonable, reliable, rooted,
      rugged, sane, secure, self-consistent, sensible, set, settled,
      solid, sound, stabilized, stable, staunch, steadfast, steady,
      stout, strong, sturdy, substantial, sufficient, sure, surefire,
      tough, trustworthy, trusty, unfailing, unyielding, valid, vested,
      weighty, well-argued, well-built, well-constructed, well-educated,
      well-established, well-founded, well-informed, well-made,
      well-posted, well-read, well-set, well-settled, well-versed,
      wholesome, widely read