This is the 3516th most frequent Polish word.
świetną
"Świetną" means "great" or "excellent" (feminine singular, instrumental case) in English.
Adjective used to describe 'lesson' as excellent or outstanding.
To była świetną lekcją dla nas.
It was an excellent lesson for us.
Adjective modifies the noun 'imprezę' (party), describing it as amazing.
Spotkaliśmy ją na świetną imprezę.
We met her at an amazing party.
Adjective used to describe 'news' as great or excellent.