purportedly

US /pɝːˈpɔːr.t̬ɪd.li/
UK /pɝːˈpɔːr.t̬ɪd.li/
1.

โดยอ้างว่า

in a way that is stated to be true, although this may not be the case:

:
The study purportedly found that men married to smart women live longer.