一いっ決けつ

noun, noun or participle which takes 'suru', intransitive verb

agreed; settled; decided

Used when a matter is resolved or a decision is reached, often in formal or written contexts. Commonly appears as 一決する or in the pattern ～に一決する.

• 会かい議ぎの結けっ果か、方ほう針しんはその案あんに一いっ決けつした。

  As a result of the meeting, the policy was settled on that proposal.