This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

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

adj. True or real; not imaginary.

adj. Solidly built; strong.

adj. Ample; sustaining: a substantial breakfast.

adj. Considerable in importance, value, degree, amount, or extent: won by a substantial margin.

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

n. An essential. Often used in the plural.

n. A solid thing. Often used in the plural.

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

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

adj. Corporeal; material; firm.

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

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

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

adj. Most important; essential.

adj. Ample or full.

adj. Significantly great.

n. Anything having substance; an essential part.

adj. Belonging to substance; actually existing; real.

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

adj. Corporeal; material; firm.

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

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

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.

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

n. That which has real practical value.

n. An essential part.

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

adj. fairly large

adj. of good quality and condition; solidly built

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

adj. providing abundant nourishment

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

considerable    sound    essential    wholesome   

substantial being   

substantialness    insubstantial    substantially    substantiality    consubstantial   

real    solid    true    veritable    corporeal    material    firm    strong    stout    responsible   

circumstantial    financial    insubstantial    nonfinancial   

considerable    significant    actual    enormous    reasonable