This is the 14023rd most frequent Polish word.
potwierdzony
Confirmed.
Here, 'potwierdzony' is used as an adjective, implying that the project plan has been officially affirmed or accepted.
Akt projektowy został potwierdzony przez zespół zarządzający.
The project plan was confirmed by the management team.
Here, 'potwierdzony' is used to describe the test result as verified or authenticated.
Potwierdzony wynik testu świadczy o poprawnym działaniu systemu.
A confirmed test result indicates the correct functioning of the system.
Here, 'potwierdzony' refers to the appointment as being officially scheduled and acknowledged.