demonstrated
v.v. to show clearly that something is true or how something works by using evidence or examples.
v. to establish the validity of a proposition or the efficacy of a process through evidence, logic, or practical display.
The scientist demonstrated the new experiment to the class.
The recent sales figures demonstrated that the marketing campaign was more successful than the team had originally predicted.
By meticulously documenting every stage of the trial, the researchers demonstrated a clear causal link between the new medication and the observed reduction in symptoms.
The verb is transitive and can take a direct object, a 'that' clause, or a 'how' clause.
He demonstrated me the solutionHe demonstrated the solution to meDemonstrate does not take an indirect object directly; you must use the preposition 'to' before the person being shown.