| Noun | Meaning | Example Sentence |
| Decider | Person who makes a choice or decides | As the decider, she had the final say in the matter. |
| Decision | Act of making a choice or determining | The committee’s decision was to proceed with the project. |
| Decisive Moment | Critical point in time when a decision is required | The game-changing goal occurred at a decisive moment. |
| Decisiveness | Quality of being able to make decisions | His decisiveness in a crisis situation was commendable. |
| Determination | Firmness of purpose; resolute decision | Her determination to succeed fueled her hard work. |
