demonstratory

English edit

demonstratory (comparative more demonstratory, superlative most demonstratory)

Serving to demonstrate something.
- 1854, Alphonse de Lamartine, History of the French Revolution of 1848, volumes 1-2, page 118:
  But Lamartine also perceived clearly that this demonstratory review, exaggerated and altered by the clubs, and especially by the Blanqui club, overshot the mark which appeared to him to have been assigned by its organizers.