Combination of substance and sustenance. A singular, physical or non-physical property as a source of nutriment required in survival or activity in which to be completed.
I cannot begin working until I'm provided some kind of additional sustance.
no meat, no "substance," there's nothing to it
This desert is not very good, it's just sustance.
The most normal thing anyone said in that show
Lois:
Stewie: mother, I require sustance