Recognised (5)
'recognised' is the definition.
(know can mean to recognise or identify)
This is all the clue.
(Other definitions for knew that I've seen before include "Recognised" , "Was familiar with" , "Understood" , "Distinguished" , "Acknowledged" .)
'recognised' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for known that I've seen before include "Within one's ken" , "Widely recognized" , "Experienced" , "Widely recognised" , "Apprehended mentally" .)
'recognised' is the definition.
(identifying is a kind of recognizing)
This is all the clue.
(Other definitions for identified that I've seen before include "Recognised, named" , "Recognized" , "Given name" , "Pointed out; made known" , "Put one's finger on" .)