sub·stan·tial
\\səb-ˈstan(t)-shəl\\ adjective1.
  a. consisting of or relating to substance
  b. not imaginary or illusory : real, true
  c. important, essential
2. ample to satisfy and nourish : full
    a substantial meal
3.
  a. possessed of means : well-to-do
  b. considerable in quantity : significantly great
      earned a substantial wage
4. firmly constructed : sturdy
    a substantial house
5. being largely but not wholly that which is specified
    a substantial lie
• substantial noun
• sub·stan·ti·al·i·ty \\-ˌstan(t)-shē-ˈa-lə-tē\\ noun
• sub·stan·tial·ly \\-ˈstan(t)-sh(ə-)lē\\ adverb
• sub·stan·tial·ness \\-ˈstan(t)-shəl-nəs\\ noun