Happenstance is defined as coincidence or by chance.
If you go out to lunch and just happen to run into a friend unexpectedly while you are there, this is an example of happenstance.
- chance; fortuity
- a chance or accidental happening
Origin of happenstancehappen + (circum)stance
A chance circumstance: “I drove loops around the nearby parish school &ellipsis; hoping to bump into her casually and claim it was mere happenstance” (Hart Seely).
Origin of happenstancehappen + (circum)stance.