määräävän
Määräävän is the genitive singular form of the Finnish present active participle määräävä, which comes from the verb määrätä, meaning to determine or to prescribe. The present active participle describes someone or something that performs the action of determining or prescribing. In practice, määräävä functions as an adjective and can modify a noun in a genitive construction, for example in the phrase määräävän viranomaisen päätös, meaning “the decision of the prescribing authority.”
Morphology and usage. The base form is määräävä. Like other -va/-vä adjectives in Finnish, määräävä inflects
Semantics and register. Määräävän carries a formal, authority-related nuance and is most common in administrative, legal,
See also. Finnish grammar; present active participles; adjectival participles; legal and administrative Finnish.