upon

US /əˈpɑːn/

UK /əˈpɑːn/

more formal term for on, especially in abstract senses

•

The decision was based upon careful consideration.

La decisione si basava su un'attenta considerazione.

•

He placed the book upon the table.

Ha posato il libro sul tavolo.

appena, al

indicating a time immediately or very soon after something

•

Upon arrival, please report to the front desk.

All'arrivo, si prega di presentarsi alla reception.

•

He started crying upon hearing the news.

Ha iniziato a piangere appena ha sentito la notizia.