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1. Substantial; considerable.
2. Independent in existence or function; not subordinate.
3. Not imaginary; actual; real.
4. Of or relating to the essence or substance; essential: substantive information.
5. Having a solid basis; firm.
6. Grammar Expressing or designating existence; for example, the verb to be.
7. Grammar Designating a noun or noun equivalent.
n. Grammar
A word or group of words functioning as a noun.

[Middle English substantif, self-sufficient, independent, from Old French, substantive, from Late Latin substantīvus, from Latin substantia, substance; see substance.]

sub′stan·tive·ly adv.
sub′stan·tive·ness n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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References in periodicals archive ?
I think it was very balanced and I would agree with the substantiveness [sic] of his comments.'
No asterisk means that 90% CL overlapped the thresholds for substantiveness - unclear difference) (see also Methods).
An effect was deemed to be unclear if its confidence interval overlapped the thresholds for substantiveness, that is, if the effect could be substantially positive and negative [45].
Similarly, researchers have found that many green advertisements reflect a shallow or moderate greenness, denoting a lack of substantiveness, comprehensiveness, and credibility (Kilbourne, 1995).
The paper concludes by showing that defenders of the fitting attitude analysis must make unappealing trade-offs between the substantiveness and the correctness of the analysis.
Two-tailed, paired /-tests were used to explore the significance and substantiveness of experience-expectation gap scores.
(246) Factors the Court considered included the existence of an attorney-client relationship with the witness, the timing of the representation of the witness, substantiveness of attorney's representation of the witness, the relativity of the witness's testimony to the defendant's case, and the impact on the ability to cross examine.