Recognised (4)

'recognised' is the definition.
(know can mean to recognise someone)
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.
(identifying is a kind of recognizing)
This is all the clue.
(Other definitions for identified that I've seen before include "Put one's finger on" , "Given name" , "Recognised, named" , "Pointed out; made known" , "Recognized" .)