Blanchett of "The Aviator” (4)
I believe the answer is:
cate
'blanchett of the aviator' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for cate that I've seen before include "___ Blanchett, actor, b. 1969" , "Dainty old" , "Disease affecting many people simultaneously" .)