Alleged (9)
There are a few possibilities for this:
purported
'alleged' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for claimed that I've seen before include "Called for" , "Asserted one's right to" , "Declared" , "Asserted, contended" , "Alleged" .)
(Other definitions for reputed that I've seen before include "Supposed" , "Generally believed to exist" , "Erupted (anag)" , "Deemed" , "Generally believed (to be the case)" .)
'alleged' is the definition.
(thesaurus)
This is all the clue.
(Another definition for purported that I've seen is " Claimed (to be)".)