There are multiple definitions - click on the translation that matches your context.

fastslå

verb

partial

determine

verb

Definitions of determine

English

to calculate something; to discover something by considering the evidence

The company determined that growth outside Europe was crucial to the future success of the business.

English

to cause something to happen in a particular way; to control something

The number of employees the company takes on next year will be determined by how many sales are made this year.

English

to decide something in an official or formal way

You are entitled to have the matter determined by the court.