Adverb
In a manner fitted to demonstrate; clearly; convincingly; forcibly.
Source: Webster's dictionaryI knew President Yeltsin well. He would never have tolerated government officials demonstratively showing off the millions they acquired through corruption, the way it's done today. Mikhail Khodorkovsky
he greeted her demonstratively Source: Internet
He wrote: "It is now generally admitted, at any rate by philosophers, that the existence of a being having the attributes which define the god of any non-animistic religion cannot be demonstratively proved.. Source: Internet
The movement was demonstratively independent from both the Soviet Union and the Western bloc for most of the Cold War period, allowing Yugoslavia and its other members to act as a business and political mediator between the blocs. Source: Internet