upgrade

up·grade

vt \ˈəp-ˌgrād, ˌəp-ˈ\

up·grad·edup·grad·ing

Definition of UPGRADE

1

: to assign a less serious status to <upgraded the patient's condition from fair to good>

2

: to reclassify (as a cancer, concussion, or bone fracture) to a more serious grade when the grades are numbered from least to most serious