Demonstrative /(?)/

De·mon·stra·tive

Demonstrative

a.
  1. Having the nature of demonstration; tending to demonstrate; making evident; exhibiting clearly or conclusively.
    An argument necessary and demonstrative.
  2. Expressing, or apt to express, much; displaying feeling or sentiment; as, her nature was demonstrative.
  3. Consisting of eulogy or of invective.

Phrases & Compounds
Demonstrative pronoun
a pronoun distinctly designating that to which it refers.

Demonstrative

n.
  1. A demonstrative pronoun; as, “this” and “that” are demonstratives. (Gram.)