verb
1.
to take place or come about
the incident happened at midnight
Synonyms: befall, betide, break, chance, come, come off, develop, do, fall out, give, go, go down, hap, occur, pass, rise, transpire
Related Word: go off, turn out
Idioms: come to pass
2.
to come by chance
he unexpectedly happened on a new method
Synonyms: bump, chance, hit, light, luck, meet, stumble, tumble
Related Word: befall