Substantiality

n. quality of being substantial, corporeity

The word originates from Latin substantia, literally meaning "standing under". The word was used to translate the Greek philosophical term ousia.Substance may refer to:Substance theory, in philosophy, that element of an object without which it would not exist, or what exists only by itself (causa sui)Chemical substance, in chemistry, are material objects that can undergo various transformations related to artificial or natural phenomenaSubstance (Joy Division album)Substance (New Order album)Metal Gear Solid 2: Substance, a tactical espionage video game
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Noun
1. the quality of being substantial or having substance
(synonym) substantialness
(antonym) insubstantiality
(hypernym) materiality, physicalness, corporeality
(attribute) substantial, real, material

(n.)
The quality or state of being substantial; corporiety; materiality.
  

one of the four major requirements (with accessibility, actionability and substantiality) for useful market segmentation; substantiality expresses the notion that the segment chosen as the target market must be large enough to be profitable. Also referred to as Significance. See Accessibility; Actionability; Measurability.