Substantive

01 a. Betokening or expressing existence; as, the substantive verb, that is, the verb to be.

1.
Betokening or expressing existence; as, the substantive verb, that is, the verb to be.
2.
Depending on itself; independent.
“He considered how sufficient and substantive this land was to maintain itself without any aid of the foreigner.” — Bacon.
3.
Enduring; solid; firm; substantial.
“Strength and magnitude are qualities which impress the imagination in a powerful and substantive manner.” — Hazlitt.
4.
Pertaining to, or constituting, the essential part or principles; as, the law substantive.

Phrases & compounds

Noun substantive — a noun which designates an object, material or immaterial; a substantive.

Substantive color — one which communicates its color without the aid of a mordant or base; -- opposed to adjective color.

02 n. A noun or name; the part of speech which designates something that exists, or some object of thought, either material or immaterial; as, th…

1.
A noun or name; the part of speech which designates something that exists, or some object of thought, either material or immaterial; as, the words man, horse, city, goodness, excellence, are substantives.(Gram.)

03 v. t. To substantivize.