To supply or power with fuel. The engineers worked tirelessly to fuel the spacecraft for its long journey.
To stimulate or sustain a feeling or activity. The coach's motivational speech fueled the team's determination to win the championship.
To increase or intensify something, often in a negative way. The controversial article fueled the ongoing debate about climate change.
To take on fuel; to refuel. The aircraft fueled at the airbase before continuing its mission.