The antonyms for deduct is to add, to increase, to raise.
Depth
ascend and descend
Fall-Rise Descend- Ascend
Width
Width
Descend.
Width
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.
lift.... Gravity
The opposite is descend (go down the stairs).
The hikers planned to descend the steep mountain before sunset.
The Latin root "scandere" means "to climb" or "to ascend." It is commonly found in words related to climbing or rising, such as "ascend" or "descend."