Substantive

1. (a.) Enduring; solid; firm; substantial.

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

3. (a.) Depending on itself; independent.

4. (a.) Pertaining to, or constituting, the essential part or principles; as, the law substantive.

5. (n.) 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.

6. (v. t.) To substantive.

Thesaurus Entries

ab ovo, abstract noun, adherent noun, adjectival, adverbial, appreciable, attributive, basal, basic, bedrock, central, collective noun, common noun, concrete, conjunctive, constituent, constitutive, copulative, correct, elemental, elementary, essential, focal, formal, functional, fundamental, gerund, glossematic, grammatic, gut, hypostasis, indispensable, intransitive, life-and-death, life-or-death, linking, material, nominal, noun, noun phrase, of the essence, of vital importance, original, palpable, participial, ponderable, postpositional, prepositional, primal, primary, primitive, pronominal, pronoun, proper noun, quotation noun, radical, real, sensible, solid, structural, substantial, syntactic, tagmemic, tangible, transitive, underlying, verbal, vital