Synonyms for upgrade

verb

• give a promotion to or assign to a higher position
• get better travel conditions
• give better travel conditions to
• rate higher; raise in value or esteem
• to improve what was old or outdated

noun

• an upward slope or grade (as in a road)
• the property possessed by a slope or surface that rises
• a reservation that is improved
• hardware that provides better performance than an earlier version did
• software that provides better performance than an earlier version did
• the act of improving something (especially machinery) by raising it to a higher grade (as by adding or replacing components)