upside

The upper side or portion.

An advantageous aspect.

An upward tendency, as in business profitability or in the prices of a stock.

On.

On the upper side.

The upper side; the upper part.

The upper side; the part that is uppermost.

the benefits; the positive features; — said of a situation or event that has both positive (good) and negative (bad) aspects.

to be even with.

With the upper part undermost; hence, in confusion; in complete disorder; topsy-turvy.