Orderly
Systematic, Well Organized, Natural Order
adjective, adverb
When you arrange things in the way that nature intended, you're doing things in a quite orderly fashion. This is the natural state of things, nice and arranged and natural. Orderly!
Note that you need to add と to the end of this word to make it an adverb, and たる to make it an adjective!
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
整然と並ぶ
to line up in an orderly fashion
整然とする
to be orderly
整然とした
in good order, tidy
整然としている
in good order, tidy
東京は人が多いけれど整然としています。
Even though there are many people in Tokyo, it is well organized.
ダリンはいつも理路整然とした説明をしてくれます。
Darin always provides well-reasoned explanations.
トーフグオフィスの棚に整然と並べられていたワインボトルを、マミが全部空けてしまった。
The neatly arranged wine bottles on the shelves of the Tofugu office were all emptied out by Mami.