noun
determination
dih-tur-mih-NAY-shuhn/dɪˌtɜːrmɪˈneɪʃn/
Firm resolve to achieve a goal despite difficulty.
The runner tackles the steep climb with determination.

Etymology
Setting a fixed direction toward a goal developed into firmness of will to reach it.
More examples
- Her determination carried the project through delays.
- He returned to practice with renewed determination.
Forms
determination
Similar words
- resolve
- Emphasizes a settled intention.
- persistence
- Emphasizes continuing action despite obstacles.