happenstancenoun · Level 3 SAT1an event that might have been arranged although it was really accidentalBy happenstance, two scientists working on the same problem met at a conference.ModuleLevel 3Registeracademic, contrastCollectionCollection 043SAT Complete planAlso in Collection 043anomalousness, conservativism, compaction, discontinuation, nullify, lament, pachydermous, sublimate and 1 more