This is the 721st most frequent German word.
einstellen
To adjust, stop, employ, or set.
Here, "einstellen" means "to hire" in the context of employment.
Er hat beschlossen, neue Mitarbeiter für das Projekt einzustellen.
He decided to hire new employees for the project.
In this context, "einstellen" is used to mean "to adjust" a mechanical device or machine.
Man musste die Maschine neu einstellen, damit sie richtig funktioniert.
The machine had to be readjusted to work correctly.
Here, the verb "einstellen" takes on the meaning of "to cease" or "stop," often used for weather or ongoing processes.