descending

To pass from a higher to a lower place; to move downwards; to come or go down in any way, for example by falling, flowing, walking, climbing etc.

"The rain descended, and the floods came."

To enter mentally; to retire.

(with on or upon) To make an attack, or incursion, as if from a vantage ground; to come suddenly and with violence.

"And on the suitors let thy wrath descend."

A descent.

"continual ascendings and descendings"

(of a sequence) Ordered such that each element is less than or equal to the previous element.

"Please arrange these numbers in a descending order."

That causes a sequence to follow a descending order.

"We used a descending sort."