Crossword Dictionary

[n] the property possessed by a slope or surface that rises
[n] an upward slope or grade (as in a road); "the car couldn't make the grade"
[v] to improve, esp. something that was old or outdated; "I've upgraded my computer so I can run better software."; "The company upgraded their personnel"
[v] rate higher; raise in value or esteem
[v] give a promotion to or assign to a higher position; "John was kicked upstairs when a replacement was hired"; "Women tend not to advance in the major law firms"; "I got promoted after many years of hard work"