[c]/dəˈsaɪd / (say duh'suyd)

verb (decided, deciding)
verb (t)
1. to determine or settle (a question, controversy, struggle, etc.) by giving victory to one side.
2. to adjust or settle (anything in dispute or doubt).
3. to bring (a person) to a decision: *The appearance of the woman decided me at once –oliné keese, 1859.
verb (i)
4. to settle something in dispute or doubt.
5. to pronounce a judgement; come to a conclusion.
6. decide on (or upon), to come to a definite conclusion about.
{Middle English decide(n), from Latin dēcīdere cut off, determine}
decidable, adjective

Australian English dictionary. 2014.