This is the 14063rd most frequent Polish word.
powodzeniem
"Powodzeniem" means "success" in English.
'Powodzenia' is used as a singular noun in the form of a wish for someone's success.
Życzę ci powodzenia w egzaminie.
I wish you success in your exam.
Here, 'powodzeniem' is used in the instrumental form to describe the manner of achieving success.
Osiągnęła sukces z wielkim powodzeniem.
She achieved success with great success.
In this sentence, 'powodzeniem' shows the positive outcome of carrying out the project.