verb (used without object)
to take place; come to pass; occur: Something interesting is always happening in New York.
to come to pass by chance; occur without apparent reason or design: Don't ask me what caused it—it just happened, that's all.
to have the fortune or lot (to do or be as specified); chance: I happened to see him on the street.
to befall, as to a person or thing: Something dreadful has happened to me.
to meet or discover by chance (usually followed by on or upon): to happen on a clue to a mystery.
to be, come, go, etc., casually or by chance: My friend happened along.
Slang. to be very exciting or interesting: That party was happening!
Origin of happen
Synonyms for happen
1. betide. Happen, chance, occur refer to the taking place of an event. Happen, which originally denoted the taking place by hap or chance, is now the most general word for coming to pass: Something has happened. Chance suggests the accidental nature of an event: It chanced to rain that day. Occur is often interchangeable with happen, but is more formal, and is usually more specific as to time and event: His death occurred the following year.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(intr, preposition) to find by chanceI happened upon a five-pound note lying in the street
(intr) (of an event in time) to come about or take place; occur
(intr foll by to) (of some unforeseen circumstance or event, esp death), to fall to the lot (of); be a source of good or bad fortune (to)if anything happens to me, it'll be your fault
(tr) to chance (to be or do something)I happen to know him
(tr; takes a clause as object) to be the case, esp if by chance, thatit happens that I know him
adverb, sentence substitute
Word Origin for happen
C14: see hap 1, -en 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Online Etymology Dictionary, © 2010 Douglas Harper