This is the 2484th most frequent Japanese word.
公的
"Public" or "official."
In this sentence, '公的' describes the nature of the document as official or government-related.
彼は公的な文書を提出しました。
He submitted an official document.
Here, '公的' refers to the funds being provided by public or government resources.
このプロジェクトは公的資金で運営されています。
This project is operated with public funds.
In this case, '公的' characterizes the event as being formal and likely associated with public organizations.