[di-sahy-siv] 
| 1. | having the power or quality of deciding; putting an end to controversy; crucial or most important: Your argument was the decisive one. |
| 2. | characterized by or displaying no or little hesitation; resolute; determined: The general was known for his decisive manner. |
| 3. | indisputable; definite: a decisive defeat. |
| 4. | unsurpassable; commanding: a decisive lead in the voting. |
| de·ci·sive (dĭ-sī'sĭv) adj.
Synonyms: These adjectives mean determining or having the power to determine an outcome: the decisive vote; a conclusive reason; crucial experiments; a definitive verdict; the determinative battle. |
sɪv