1. (v.) To occur at the same time; to correspond; to be contemporaneous; as, the fall of Granada coincided with the discovery of America\.

2. (v.) To occupy the same place in space, as two equal triangles, when placed one on the other.

3. (v.) To correspond exactly; to agree; to concur; as, our aims coincide.

accompany accord agree agree in opinion agree with answer to assent associate assort with be consistent be in cahoots be in phase be in time be of one be uniform with check chime chime in with close with coact coadunate coexist coextend cohere collaborate collude combine concert concord concur conform conform to conform with conjoin connive consist with conspire contemporize cooperate correspond ditto dovetail echo equal fall in together fall in with fit together go along with go together go with hang together happen together harmonize hit hold together interlock intersect isochronize jibe join keep in step keep pace with line up lock match meet overlap parallel register register with respond to side with sing in chorus sort with square square with stand together strike in with synchronize synergize tally time unite