Substantive

a. [Lat. substantivus, Fr. substantif, Sp. substantivo, sustantivo, It. sustantivo, sostantivo.]

1Sense 1. Betokening, or expressing, existence; as, the substantive verb, that is, the verb to be.

2Sense 2. Depending on itself; able; independent. [Obs.]

He considered how sufficient and substantive this land was to maintain itself without any aid of the foreigner. Bacon.

3Sense 3. Enduring; solid; firm. [Rare.]

Strength and magnitude are qualities which impress the imagination in a powerful and substantive manner. Hazlitt.

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

n. [Lat. substantīvum (sc. nomen), Fr. substantif, Pr. substantiu, Sp. substantivo, sustantivo, It. substantivo, sostantivo.] (Gram.) A noun or name; the part of speech which designates something that exists, or some object of thought, either material or immaterial; thus, man, horse, city, goodness, excellence, are substantives.

To convert into a substantive; to use as a substantive. [Obs.]