What's the adjective for substantivization? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs substantive, substantivize and substantivise which may be used as adjectives within certain contexts.
substantive
Of the essence or essential element of a thing; as, "substantive information".
Having substance; enduring; solid; firm; substantial.
(law) Applying to essential legalprinciples and rules of right; as, "substantive law".
(chemistry) Of a dye that does not need the use of a mordant to be made fast to that which is being dyed.