substance
1.
2. a. Essential nature; essence. b. Gist; heart.
3. That which is solid and practical in character, quality, or importance: a plan without substance.
4. Density; body: Air has little substance.
5. Material possessions; goods; wealth: a person of substance.
[Middle English, from Old French, from Latin substantia, from substāns, substant- present participle of substāre, to be present : sub-, sub- + stāre, to stand.]
Synonyms: