This is the 12014th most frequent Polish word.
legitymuje
"Legitymuje" means "is identifying" or "is verifying someone's identity."
Legal authority checking identification.
Policjant legitymuje przechodniów na ulicy.
The police officer is checking the identification of pedestrians on the street.
Demonstrating qualifications or legitimacy.
Nauczyciel legitymuje się odpowiednimi kwalifikacjami do nauczania.
The teacher shows the appropriate qualifications for teaching.
Being legitimized by association or membership.