upgrade

(noun) an upward slope or grade (as in a road). Synonyms: ascent, acclivity, rise, raise, climb. Example: "The car couldn't make it up the rise."

(noun) software that provides better performance than an earlier version did.

(noun) a reservation that is improved. Example: "I got an upgrade to first class when coach class was full."

(noun) the property possessed by a slope or surface that rises. Synonyms: rise, rising slope.

(noun) hardware that provides better performance than an earlier version did.

(noun) the act of improving something (especially machinery) by raising it to a higher grade (as by adding or replacing components). Example: "The power plant received a new upgrade."

(verb) rate higher; raise in value or esteem.

(verb) to improve what was old or outdated. Examples: "I've upgraded my computer so i can run better software." "The company upgraded their personnel."

(verb) give a promotion to or assign to a higher position. Synonyms: promote, advance, kick upstairs, raise, elevate. Examples: "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."

(verb) get better travel conditions. Example: "I upgraded to first class when coach class was overbooked."

(verb) give better travel conditions to. Example: "The airline upgraded me when i arrived late and coach class was full."