He might seem to be a demonstrative person to you, but he's not!
If imitation is a general category of artistic activity, repetition is an insistently demonstrative species of imitation.
For Plato, the proper method for seeking knowledge is not observation but demonstrative proof, or perhaps some other form of a priori reasoning.
Knowledge is composed of demonstrations, even if it may also include definitions; the method of science is demonstrative , even if it may also include the process of defining.
The best examples are the demonstrative pronouns this and that, for the reason that they are guaranteed a reference every time they are used.
Substances are things to which we can refer by use of a demonstrative phrase of the form ‘this so-and-so’; they are things that can be picked out, identified, individuated.
My outrageous and pathetically demonstrative response arose in its entirety out of my sad and deeply personal unresolved childhood hurts.
Or it may be their personality, just the way they are, and I don't mean to be critical of that, since I don't think I'm very demonstrative during a session, either.
Willis is a demonstrative player who wears his emotions on his sleeve.
Maybe I have a propensity for those sort of muddles, but maybe I'd rather have a propensity for that sort of a muddle, for my demonstrative pronouns are very dear to me.