Webster's Revised Unabridged Dictionary · 1913

Decide

Decide , transitive verb

[Latin decīdere; de- + caedere to cut, cut off; prob. akin to English shed, v.: compare French décider. Compare Decision.]

1.
To cut off; to separate. [Obsolete]
Our seat denies us traffic here; The sea, too near, decides us from the rest. — Fuller
2.
To bring to a termination, as a question, controversy, struggle, by giving the victory to one side or party; to render judgment concerning; to determine; to settle.
So shall thy judgment be; thyself hast decided it. — 1 Kings xx. 40
The quarrel toucheth none but us alone; Betwixt ourselves let us decide it then. — Shakespeare

Decide , intransitive verb

To determine; to form a definite opinion; to come to a conclusion; to give decision; as, the court decided in favor of the defendant.
Who shall decide, when doctors disagree? — Pope