Hi Sis, Mister Wight is correct. You can google it and the meaning is there in www.thefreedictionary.com. However if if you meant decision here is its meaning
1. The passing of judgment on an issue under consideration.
2. The act of reaching a conclusion or making up one's mind.
3. A conclusion or judgment reached or pronounced; a verdict.
4. Firmness of character or action; determination.
5. Sports A victory won on points in boxing when no knockout has occurred or in wrestling when no fall has occurred.
6. Baseball A win or loss accorded to a pitcher: has four wins in six decisions.
tr.v. de·ci·sioned, de·ci·sion·ing, de·ci·sions Sports
To defeat by a decision, as in boxing: decisioned his opponent in the third round.