upgrade

Sense 1 noun

an upward slope or grade (as in a road)

the car couldn't make it up the rise

Sense 2 verb

rate higher; raise in value or esteem

Sense 3 noun

software that provides better performance than an earlier version did

Sense 4 verb

to improve what was old or outdated

I've upgraded my computer so I can run better software

Sense 5 noun

a reservation that is improved

I got an upgrade to first class when coach class was full

Sense 6 verb

give a promotion to or assign to a higher position

John was kicked upstairs when a replacement was hired

Sense 7 noun

the property possessed by a slope or surface that rises

Sense 8 verb

get better travel conditions

I upgraded to First Class when Coach Class was overbooked

Sense 9 noun

hardware that provides better performance than an earlier version did

Sense 10 verb

give better travel conditions to

The airline upgraded me when I arrived late and Coach Class was full

Sense 11 noun

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