This is the 14068th most frequent Polish word.
powołaną
The Polish word "powołaną" means "appointed" or "designated" (feminine, singular form).
Here, 'powołaną' refers to the commission specified as having been established, functioning as a passive participle in feminine form.
Komisja została powołaną w celu przeprowadzenia śledztwa.
The commission was established to conduct an investigation.
In this sentence, 'powołaną' describes the person as designated or assigned, characterizing the role given to them.
Polegałam na osobie powołaną do tego zadania.
I relied on the person assigned to this task.
In this context, 'powołaną' indicates that the foundation mentioned was formally established, used as descriptive detail in a legal sense.