expression, godan verb (-ru)
settle peacefully; be resolved amicably; come to a harmonious conclusion
Used when a dispute, conflict, or tense situation is resolved without hard feelings, often through compromise or mutual understanding. The image is of things 'rounding off' smoothly.
話し合いの結果、問題は丸く収まった。
As a result of the discussion, the issue was settled peacefully.
彼が謝っ
Thanks to his apology, the fight ended amicably.