14世纪末，"解决争端，确定争议"，来自古法语 decider ，来自拉丁语 decidere "决定，确定"，字面意思是"切断"，来自 de "切断"(见 de- )+ caedere "切断"(来自PIE根 *kae-id- "打击")。拉丁语元音变化，见 acquisition 。意思是"一下子"解决困难。意为"下定决心"，1830年有证。相关链接： Decided ; deciding 。
We finally decided after lengthy deliberations
The case was decided
The judge decided the case in favor of the plaintiff
This new development finally decided me!
The vote in New Hampshire often decides the outcome of the Presidential election