utvrđivati

1. (of facts) to establish; to determine
   Policija još utvrđuje uzrok nesreće. — The police are still determining the cause of the accident.
   Lekari utvrđuju da li je povreda ozbiljna. — Doctors are determining whether the injury is serious.
2. (of rules, prices) to set; to fix
   Vlada svake godine utvrđuje cenu struje. — The government sets the price of electricity every year.
3. (of knowledge) to consolidate; to reinforce
   Na kraju časa utvrđujemo gradivo. — At the end of the lesson we review and consolidate the material.
4. (military) to fortify
   Vojska je danima utvrđivala položaje na brdu. — The army spent days fortifying positions on the hill.

Often used impersonally: "utvrđuje se da…" — "it is being established that…".