Having the power or quality of deciding a question or controversy; putting an end to contest or controversy; final; conclusive. / Marked by promptness and decision.

In a decisive manner.

The state or quality of being decisive.

The act of deciding. / A choice or judgement. / (uncountable) Firmness of conviction. / (chiefly combat sports) A result arrived at by the judges when there is no clear winner at the end of the contest.

(boxing) To defeat an opponent by a decision of the judges, rather than by a knockout

plural of decision

Third-person singular simple present indicative form of decision

(baseball) A game for which the starting pitcher does not record a win or a loss.

plural of no decision

Decision making, especially by means of a formal computational methodology.