subsistent form

°Of the essence or essential element of a thing; as, "substantive information".

°Having substance and prompting thought.

°A word that names or refers to a person, place, thing, or idea. Nouns and personal pronouns are always substantives by nature. Other pronouns, numerals and most determiners readily function as substantives in English and many other languages. When present participles function as substantives in English, they are called gerunds.