determine

Decide upon or fix definitely.

Reach, make, or come to a decision about something.

Find out, learn, or determine with certainty, usually by making an inquiry or other effort.

Establish after a calculation, investigation, experiment, survey, or study.

Shape or influence; give direction to.

“experience often determines ability”

Fix conclusively or authoritatively.

Settle conclusively; come to terms.

Fix in scope; fix the boundaries of.

“the tree determines the border of the property”