Choose between options.

• Reach a conclusion.

Settle a dispute, question, or problem.

• Determine an answer after consideration.

Determine the outcome of a contest or event.

Make a formal judgment or ruling.

• Adjudicate a case.

Cause someone to come to a decision.

• Persuade or sway.

Of an algorithm or Turing machine: give a correct yes/no for every input.

• Decide a language or decision problem.

Archaic: cut off; separate.