upgrade (
http://definr.com/upgrade)
n 1: an upward slope or grade (as in a road); "the car couldn't
make the grade" [syn:
ascent,
acclivity,
rise,
raise,
climb] [ant:
descent]
2: the property possessed by a slope or surface that rises
[syn:
rise,
rising slope]
v 1: rate higher; raise in value or esteem [ant:
downgrade]
2: to improve, esp. something that was old or outdated; "I've
upgraded my computer so I can run better software." "The
company upgraded their personnel"
3: give a promotion to; "raise in rank"; assign to a higher
position [syn:
promote,
advance,
kick upstairs,
raise,
elevate] [ant:
demote]