Assess, evaluate (3)
(Other definitions for vet that I've seen before include "animal doctor to > investigate" , "Examine carefully - might one help a lame duck?" , "solider once" , "Examine, check" , "A small animal doctor" .)
This clue is a double definition.
'assess' is the first definition.
(I've seen this in another clue)
'evaluate' is the second definition.
(I've seen this in another clue)
(Other definitions for estimate that I've seen before include "Reckon, judge" , "Statement of expected cost" , "Make an educated guess" , "damage" , "Rough cost" .)