concurrence in WordNet English dictionary

1. the temporal property of two things happening at the same time
   "the interval determining the coincidence gate is adjustable"
   concurrence  coincidence  conjunction  co-occurrence 
   
2. acting together, as agents or circumstances or events
   concurrence  concurrency 
   
3. agreement of results or opinions
   concurrence  concurrency 
   
4. a state of cooperation
   concurrence  meeting of minds