Synonyms of the word

happenstance

• n. (countable) A chance or random event or circumstance.
• n. (uncountable) The chance or random quality of an event or circumstance.

accident

• n. An unexpected event with negative consequences occurring without the intention of the one suffering the…
• n. (transport, vehicles) Especially, a collision or similar unintended event that causes damage or death.
• n. Any chance event.
• n. (uncountable) Chance.
• n. Any property, fact, or relation that is the result of chance or is nonessential.
• n. (euphemistic) An instance of incontinence.
• n. (euphemistic) An unintended pregnancy.
• n. (philosophy, logic) A quality or attribute in distinction from the substance, as sweetness, softness.
• n. (grammar) A property attached to a word, but not essential to it, such as gender, number, or case.
• n. (geology) An irregular surface feature with no apparent cause.
• n. (heraldry) A point or mark which may be retained or omitted in a coat of arms.
• n. (law) casus; such unforeseen, extraordinary, extraneous interference as is out of the range of ordinary…
• n. (military) An unplanned event that results in injury (including death) or occupational illness to person(s)…
• n. (uncountable, philosophy, uncommon) Appearance, manifestation.

coincidence

• n. Of objects, the property of being coincident; occurring at the same time or place.
• n. Of events, the appearance of a meaningful connection when there is none.
• n. (analysis) A coincidence point.
• n. (geometry) A fixed point of a correspondence; a point of a variety corresponding to itself under a correspondence.

fortuity

• n. (uncountable) The state of being fortuitous.
• n. (countable) A fortuitous event; an accident.