Definitions:

1. a boxing victory won on points when no knockout has occurred noun
   • I had little trouble in taking a unanimous decision over my opponent.
2. a position or opinion or judgment reached after consideration noun
   • a decision unfavorable to the opposition
3. the act of making up your mind about something noun
   • the burden of decision was his
4. the outcome of a game or contest noun
   • the team dropped three decisions in a row

Synonyms:

• decisiveness
• determination