to look over (something) again in order to correct or improve it
to make an amended, improved, or up-to-date version of (esp a text)
The dictionary is revised every four years
Brit to refresh one's knowledge of (e.g. a subject), esp before an examination
She's busy revising her physics
to change (e.g. an opinion), esp in the light of further consideration or new information
Brit to refresh one's knowledge of a subject, esp in preparation for an examination
revisable adj
reviser noun
revisory adj
[French reviser from Latin revisere to look at again, from re- + vidēre to see]