1) (of levels, prices etc) to move up and down (fluctuate)
2) to move up (to a person) in a shy or nervous way (sidle)
to go or come up (a mountain etc)
go up
(of a spacecraft) to rise straight up (from the ground)
go up
the state of promoting or being promoted
higher position in organization
lift; build from the ground
lift; build from the ground
to raise (an exam result, the quality of a product etc) to a higher grade
improve
