adjective. Considerable in importance, value, degree, amount, or extent.

adjective. Solidly built; strong.

adjective. Ample; sustaining.

adjective. Possessing wealth or property; well-to-do.

adjective. undefined

adjective. Of, relating to, or having substance; material.

adjective. True or real; not imaginary.

adjective. Achieving the goal of justice itself, not merely the procedure or form that is a means to justice.

Pertaining to or of the nature of substance; being a substance; real; actually existing; true; actual; not seeming or imaginary; not illusive.

Having essential value; genuine; sound; sterling.

Having firm or good material; strong; stout; solid: as, substantial cloth.

Possessed of considerable substance, goods, or estate; moderately wealthy; well-to-do.

Real or true in the main or for the most part: as, substantial success.

Of considerable amount: as, a substantial gift; substantial profit.

Capable of being substantiated or proved.

Vital; important.

In law, pertaining to or involving the merits or essential right, in contradistinction to questions of form or manner.

Pertaining to the substance or tissue of any part or organ.

noun. That which has a real existence; that which has substance.

noun. That which has real practical value.

noun. An essential part.

adjective. Belonging to substance; actually existing; real.

adjective. Not seeming or imaginary; not illusive; real; solid; true; veritable.

adjective. Corporeal; material; firm.

adjective. Having good substance; strong; stout; solid; firm.

adjective. Possessed of goods or an estate; moderately wealthy; responsible.

adjective. Belonging to substance; actually existing; real; as, substantial life.

adjective. Not seeming or imaginary; not illusive; real; solid; true; veritable.

adjective. Corporeal; material; firm.

adjective. Having good substance; strong; stout; solid; firm; as, substantial cloth; a substantial fence or wall.

adjective. possessed of goods or an estate; moderately wealthy; responsible; as, a substantial freeholder.

adjective. Large in size, quantity, or value; as, a substantial amount of money; vast

adjective. Most important; essential.

adjective. Ample or full.

adjective. Significantly great.

noun. Anything having substance; an essential part.

adjective. having substance or capable of being treated as fact; not imaginary

adjective. fairly large

adjective. of good quality and condition; solidly built

adjective. having a firm basis in reality and being therefore important, meaningful, or considerable

adjective. providing abundant nourishment

"Both the north and south are hoping for what they term substantial progress at that meeting which starts on Tuesday."

substantial being  

considerable  essential  sound  wholesome  

consubstantial  insubstantial  substantiality  substantially  substantialness  

circumstantial  financial  insubstantial  nonfinancial  

actual  considerable  enormous  reasonable  significant  

ab ovo  able to pay  absolute  abundant  actual