1. The pivotal moment in the game came when the quarterback threw a touchdown pass in the final seconds.
2. Her role in the project was pivotal to its success, as she was responsible for coordinating all the different teams.
3. The discovery of penicillin was a pivotal moment in the history of medicine.
4. The CEO's decision to expand into international markets was pivotal in the company's growth.
5. The pivotal scene in the movie is when the main character confronts his nemesis.
6. The pivotal point in the negotiation was when both parties agreed to compromise on the terms.
7. The scientist's research on climate change is pivotal in understanding the impact of human activity on the environment.
8. The coach's decision to switch to a more aggressive strategy was pivotal in turning the game around.
9. The company's new product launch is pivotal to their plans for future growth.
10. The pivotal character in the novel is the mysterious stranger who sets off a chain of events that change the protagonist's life.