What does 整然 mean?
整然 is a Japanese noun meaning “orderly, regular, well-organized” in English. It is written as 整然 in kanji, せいぜん in hiragana, and seizen in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
その別荘は清潔で整然としていた。
The cottage was clean and tidy.