Noun
Verb (する, transitive)
1. conclusion; resolution; settling (e.g. of a dispute); returning to normal
あの状況は収束した。That situation has settled.
Noun
Verb (する, transitive)
2. gathering and bundling
Noun
Verb (する, intransitive)
Math
3. convergence
4. focusing (of light); convergence
やがて、光が収束し始めた。Soon, the light began to converge.