1. (

• upgrade

) rate higher; raise in value or esteem ;

2. (

• upgrade

) to improve what was old or outdated; "I've upgraded my computer so I can run better software"; "The company upgraded their personnel" ;

3. (

• promote ,
• upgrade ,
• advance ,
• kick_upstairs ,
• raise ,
• elevate

) 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" ;

4. (

• upgrade ,

) get better travel conditions; "I upgraded to First Class when Coach Class was overbooked" ;

5. (

• upgrade ,

) give better travel conditions to; "The airline upgraded me when I arrived late and Coach Class was full" ;