de·cide / diˈsīd/ • v. [intr.] come to a resolution in the mind as a result of consideration. ∎ [tr.] cause to come to such a resolution: this business about the letter decided me. ∎ make a choice from a number of alternatives: she had decided on her plan of action. ∎ give a judgment concerning a matter or legal case: the courts decided in favor of the claimants | [tr.] the judge will decide the case. ∎ [tr.] come to a decision about (something): we must decide the fates of the people who headed the coup. ∎ [tr.] resolve or settle (a question or contest). DERIVATIVES: de·cid·a·ble adj.de·cid·er n.
So decision XV. — (O)F. décision or L. dēcīsiō, f. dēcīs-, pp. stem of dēcīdere, decisive XVII. — F. — medL.