Decide
Part of speech: verb
Definition: To resolve (a contest, problem, dispute, etc.); to choose, determine, or settle. To make a judgment, especially after deliberation. To cause someone to come to a decision.
Example sentence: If people in the media cannot decide whether they are in the business of reporting news or manufacturing propaganda, it is all the more important that the public understand that difference, and choose their news sources accordingly.
Adjudicate
Part of speech: verb
Definition: To settle a legal case or other dispute.To act as a judge.