Synonyms for High-powered (same or very similar meaning)
WordNet sense 1 ((often used in combination) having or using or propelled by means of power or power of a specified kind):
poweredWordNet sense 2 (vigorously energetic or forceful):
high-energy, high-octane, high-power, high-voltageWordNet sense 3 (characterized by action or forcefulness or force of personality):
dynamic, dynamicalFrom the ODE community, based on WordNetadd/edit