Intransitive verb and Godan verb
おちつく
かの女はとらえどころのない女性ですが、一しょにいると落ち着くんです。
I have no idea what she's thinking, but I can relax when I'm with her.
ビエトは赤ちゃんにスコッチをあげて落ち着かせた。
Viet calmed down the baby by giving her some scotch.
「ちくしょう、上司のやつ！もう、頭にきた！こんな仕事、辞めてやる。」「おいおいおい、そう焦るなって。ちょっと落ち着けよ。 」
"Damn him! I’m sick of my boss. I’m going to quit my job." "Whoa, whoa, whoa. Don’t be in such a hurry. Calm down."
Hey. Drop yourself down and arrive back to me. You're going nuts over there. Lower down. Come back. Arrive. You need to do these things to calm down.
The readings come from 落ちる and 着く. Hopefully you know these words so you can read this word as well! If you don't, just 落ち着く and everything will be okay.