lift.... Gravity
Depth
ascend and descend
Fall-Rise Descend- Ascend
Width
Width
Descend.
It depends on your airspeed. At normal cruise airspeed, an increase or decrease of engine thrust causes an aircraft to ascend or descend. At approach airspeed, a slower airspeed with flaps lowered, raising or lowering the elevators causes the aircraft to ascend or descend.
Width
She would descend down the stairs at midnight.
Depth. To ascend is to go up, and to descend is go down. We measure the height of things above the ground and the depth of things below the ground.
The antonyms for deduct is to add, to increase, to raise.
The opposite is descend (go down the stairs).