Purport (5)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
claim
'purport' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for claim that I've seen before include "Maintain, assert" , "title" , "Assertion of right" , "Assertion of ownership etc" , "Assert; demand" .)