substantive (
http://definr.com/substantive)
adj 1: being the essence or essential element of a thing;
"substantial equivalents"; "substantive information"
[syn:
substantial,
in essence]
2: (law) applying to essential legal principles and rules of
right; "substantive law" [syn:
essential] [ant:
adjective]
3: having substance and prompting thought; "a meaty discussion"
[syn:
meaty]
n : a noun or a pronoun that is used in place of a noun