upgrade

noun

1
the act of improving something (especially machinery) by raising it to a higher grade (as by adding or replacing components)
the power plant received a new upgrade
2
hardware that provides better performance than an earlier version did
3
the property possessed by a slope or surface that rises
4
a reservation that is improved
I got an upgrade to first class when coach class was full
5
software that provides better performance than an earlier version did
6
an upward slope or grade (as in a road)
the car couldn't make it up the rise

1
to improve what was old or outdated
I've upgraded my computer so I can run better software
The company upgraded their personnel
2
give better travel conditions to
The airline upgraded me when I arrived late and Coach Class was full
3
get better travel conditions
I upgraded to First Class when Coach Class was overbooked
4
rate higher; raise in value or esteem
5
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

Also useful for “upgrade”:Unscrambler— Rearrange the letters in “upgrade”