podesiti

1. (of a device) to adjust; to set; to tune
   Podesi alarm za sedam sati. — Set the alarm for seven.
   Podesio sam visinu stolice. — I adjusted the height of the chair.
2. to arrange; to adapt
   Podesila je raspored da bi bila slobodna u petak. — She arranged her schedule so she'd be free on Friday.

The imperfective is podešavati; the noun podešavanja means “settings” on a phone or computer.