ichidan verb
Used when reaching a conclusion after reasoning or summarizing evidence. Often used in formal or logical contexts.
彼は証拠から犯人は彼女だと結論付けた。
He concluded from the evidence that she was the culprit.
議論の末、私たちは計画を中止すべきだと結論付けた。
After discussion, we concluded that we should cancel the plan.