Webster's Revised Unabridged Dictionary · 1913

Substance

Substance , noun

[French, from Latin substantia, from substare to be under or present, to stand firm; sub under + stare to stand. See Stand.]

1.
That which underlies all outward manifestations; substratum; the permanent subject or cause of phenomena, whether material or spiritual; that in which properties inhere; that which is real, in distinction from that which is apparent; the abiding part of any existence, in distinction from any accident; that which constitutes anything what it is; real or existing essence.
These cooks, how they stamp, and strain, and grind, And turn substance into accident! — Chaucer
Heroic virtue did his actions guide, And he the substance, not the appearance, chose. — Dryden
2.
The most important element in any existence; the characteristic and essential components of anything; the main part; essential import; purport.
This edition is the same in substance with the Latin. — Bp. Burnet
It is insolent in words, in manner; but in substance it is not only insulting, but alarming. — Burke
3.
Body; matter; material of which a thing is made; hence, substantiality; solidity; firmness; as, the substance of which a garment is made; some textile fabrics have little substance.
4.
Material possessions; estate; property; resources.
And there wasted his substance with riotous living. — Luke xv. 13
Thy substance, valued at the highest rate, Can not amount unto a hundred marks. — Shakespeare
We are destroying many thousand lives, and exhausting our substance, but not for our own interest. — Swift
5.
(Theology) Same as Hypostasis, 2.

Substance , transitive verb

To furnish or endow with substance; to supply property to; to make rich. [Obsolete]