In a demonstrative manner.

The state or quality of being demonstrative.

that serves to demonstrate, show or prove / given to open displays of emotion / (grammar) that specifies the thing or person referred to

A demonstrative adjective. / A demonstrative pronoun.

plural of demonstrative

plural of demonstrator

(transitive) to show how to use (something). / to show the steps taken to create a logical argument or equation. / (intransitive) to participate in or organize a demonstration.

The act of demonstrating; showing or explaining something. / (prison slang) A prisoner's act of beating up another prisoner. / An event at which something will be demonstrated.

Something that can be demonstrated.

The quality of being demonstrable.