Perceptive (6)
'perceptive' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for astute that I've seen before include "Able to assess (people or situations) accurately" , "Sharp-witted" , "'Perceptive, shrewd (6)'" , "smart (with some self-interest?)" , "intelligent" .)
'perceptive' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for observant that I've seen before include "keeping close eye on things" , "Alert" , "Keen-eyed" , "Perceptive" , "Watchful" .)
'perceptive' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for keen that I've seen before include "Fierce - sharp" , "Eager - to lament the dead" , "Sharp -- express grief" , "Quick" , "Itching" .)