Main entry: go down, come down, fall, descend
Definition: move downward and lower, but not necessarily all the way
Usage: The temperature is going down; The barometer is falling; The curtain fell on the diva; Her hand went up and then fell again
Antonyms: lift, come up, rise, move up, go up, arise, uprise
Definition: move upward
Definition: travel up, "We ascended the mountain"