The noun decision has 5 senses (first 5 from tagged texts)
1. (358) decision, determination, conclusion -- (a position or opinion or judgment reached after consideration; "a decision unfavorable to the opposition"; "his conclusion took the evidence into account"; "satisfied with the panel's determination")
2. (195) decision, determination, conclusion -- (the act of making up your mind about something; "the burden of decision was his"; "he drew his conclusions quickly")
3. (7) decision -- ((boxing) a victory won on points when no knockout has occurred; "had little trouble in taking a unanimous decision over his opponent")
4. (3) decision -- (the outcome of a game or contest; "the team dropped three decisions in a row")
5. (3) decisiveness, decision -- (the trait of resoluteness as evidenced by firmness of character or purpose; "a man of unusual decisiveness")