What is the meaning of Setja?

to put, to place [with accusative ‘something’, along with adverb or prepositional phrase ‘somewhere’]

to decide, to determine, to resolve [with dative ‘for someone, often reflexive’ and accusative ‘something’ and að (+ infinitive) ‘to do something’]

to formally open [with accusative]

to suppose

to typeset [with accusative]

used in set phrases

causative of sitja: to set; to put

to seat, set, place, put

to drive [with accusative]

to make, establish [with accusative]

to order, prescribe [with dative]

to settle [with dative]

to set off

Source: wiktionary.org