decision āļāļ·āļāļāļ°āđāļĢ decision āļāļ·āļāļāļ°āđāļĢ The passing of judgment on an issue under consideration.The act of reaching a conclusion or making up one's mind.A conclusion or judgment reached or pronounced; a verdict. Firmness of character or action; determination.Sports A victory won on points in boxing when no knockout has occurred or in wrestling when no fall has occurred.Baseball A win or loss accorded to a pitcher: has four wins in six decisions. Sports To defeat by a decision, as in boxing: decisioned his opponent in the third round.