Instrumental [adjective]

Teenagers were instrumental in leading many of the racial justice protests across San Diego County over the summer.

Meanwhile, Kavadze adds, Georgia’s rich natural beauty will be more instrumental than ever.

Google My Business has been instrumental in driving customers to a local business.

What’s more, instrumental employees who analyze air samples from the sensitive equipment are on vacation.

Whatever the company’s formula, it seems it will be instrumental to making Elon Musk’s vision of a million-mile battery come true, and sooner rather than later.

One pertinent example would relate to the Niña and Pinta ships of Columbus that were instrumental in their journey to the Americas.

The Duke of Tarentum was mainly instrumental in saving the remnants of the army which had managed to cross the Elster.

This discovery and invention has been largely instrumental in the rapid development of sound recording.

Thus, contributions to vocal music, instrumental music and musical forms have been made by natives and residents of Virginia.

If she had been instrumental in the death of Sir Herbert, surely this was just the way she would conduct herself.