Demonstrationen

Meaning (English):

• Demonstrations / protests: public gatherings where people express political or social opinions (e.g., marching, rallying).
• Demonstrations / presentations: a showing or explaining of something in practice (e.g., demonstrating a product, a scientific experiment, a technique).

Form & parts:

• Demonstrationen is the plural of die Demonstration (feminine).
• Derived from the verb demonstrieren (“to demonstrate”, “to protest/show publicly”).
• Related noun (person): der/die Demonstrant(in) (“demonstrator/protester”).

German synonyms:

• Protest meaning: Protest, Kundgebung, Aufmarsch, Marsch, Protestaktion, Versammlung (context-dependent)
• Presentation meaning: Vorführung, Präsentation, Vorzeigen, Darstellung

German antonyms (context-dependent):

• Protest meaning: Zustimmung, Einverständnis, Unterstützung, Ruhe (as in “no unrest”)
• Presentation meaning: Verbergen, Zurückhaltung, Geheimhaltung (as in “not showing”)