upgrade

v. improve, raise the quality of, exchange something for another of better quality

n. update, installation of a newer version of a program or the replacing of a system component with a newer component (Computers); hill, acclivity; coupon granting a person to an upgrade; act of upgrading

The term upgrade is most often used in computing and consumer electronics, generally meaning a replacement of hardware, software or firmware with a newer version, in order to bring the system up to date. The word is also used by audiophiles to describe the replacement of a product with a better quality product with the aim of bringing enhancements to sound quality.
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n. upgrade, update (Computers)

1. A new or better version of some hardware or software.
Often used in marketroid-speak to mean "bug fix".
2. The act of developing or installing a new version.
(1995-03-14)

Noun
1. an upward slope or grade (as in a road); "the car couldn't make it up the rise"
(synonym) ascent, acclivity, rise, raise, climb
(hypernym) slope, incline, side
(hyponym) uphill
2. software that provides better performance than an earlier version did
(hypernym) software, software system, software package, package
3. a reservation that is upgraded; "I got an upgrade to first class when coach class was full"
(hypernym) reservation
4. the property possessed by a slope or surface that rises
(synonym) rise, rising slope
(hypernym) grade
5. hardware that provides better performance than an earlier version did
(hypernym) hardware, computer hardware
6. 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"
(hypernym) improvement
Verb
1. rate higher; raise in value or esteem
(antonym) downgrade
(hypernym) rate, rank, range, order, grade, place
2. to improve, especially something that was old or outdated; "I've upgraded my computer so I can run better software"; "The company upgraded their personnel"
(hypernym) better, improve, amend, ameliorate, meliorate
3. 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"
(synonym) promote, advance, kick upstairs, raise, elevate
(hypernym) delegate, designate, depute, assign
(hyponym) tenure
4. get better travel conditions; "I upgraded to First Class when Coach Class was overbooked"
(hypernym) better, improve, ameliorate, meliorate
5. give better travel conditions to; "The airline upgraded me when I arrived late and Coach Class was full"
(hypernym) better, improve, amend, ameliorate, meliorate