Upside (noun)

1. The highest or uppermost side or surface of something.
2. The advantageous side of a situation.

Origin:

Late 16th century: from up- + side.

Examples:

1. She saw the upside of losing her job as an opportunity to pursue her dream career.
2. The upside of living in the city is the access to all the cultural amenities.
3. He saw the upside of the situation and decided to take advantage of it.
4. The upside of the box was printed with colorful graphics.
5. The upside of the cake was decorated with frosting flowers.