u
pon
1
used as a preposition to indicate a basis or condition on which something is done or decided
- The promotion was granted upon meeting the required qualifications.
- The scholarship was awarded upon academic achievement and extracurricular involvement.
- The decision was made upon careful consideration of all the available options.
2
at the point when something is very close to starting, arriving, or happening, often suddenly or with strong effect
- A feeling of fear was upon her.
- A new season is upon the land.
- A crisis was upon the city before anyone realized it.
- Winter is almost upon us now.
- The storm was upon them before they could find shelter.
3
used to indicate the target or object of an action or influence
- The decision had a significant impact upon the community.
- The researchers focused their efforts upon the endangered species.
- The storm had a devastating effect upon the coastal towns.
- His comments cast doubt upon the results of the experiment.
- The plan will have an impact upon the environment.