An alternate or secondary character.

An alternate account.

An alternative investment or alternative fund.

"liquid alts"

The absolute height of a location, usually measured from sea level.

"As the altitude increases, the temperature gets lower, so remember to bring warm clothes to the mountains."

A vertical distance.

The distance measured perpendicularly from a figure's vertex to the opposite side of the vertex.

"The perpendicular height of a triangle is known as its altitude."

The angular distance of a heavenly body above our Earth's horizon.

Height of rank or excellence; superiority.

(in the plural) Elevation of spirits; heroics; haughty airs.

Highest point or degree.