Definition of purportedly in US English:
 purportedly
adverbpərˈpôrdədlēpərˈpɔrdədli
As appears or is stated to be true, though not necessarily so; allegedly.
 the photos purportedly show Nina with a lover
 a purportedly independent arbitrator
 Example sentencesExamples
-  The woman found a letter purportedly signed by the Prime Minister.
 -  Purportedly, people view themselves as recovering instead of recovered to remind them that they should not drink.
 -  The 1991 law purportedly aimed to separate legal entities from the State.
 -  The following is the full text of a letter purportedly written by the captured British sailor.
 -  This cast doubt on her true identity and her story as told in the purportedly factual book.
 -  The film is only purportedly about rock and roll.
 -  The artist and filmmaker purportedly formed a strong bond.
 -  The documents purportedly show the distribution of regular under-the-table cash payments to senior party members.
 -  He pleaded guilty to possession of an unregistered firearm, which he tended to brandish at his employees, purportedly in jest.
 -  Although it's purportedly a comedy - a romantic comedy, even - its most memorable scene is a tense courtroom drama.