Third-person singular simple present indicative form of happen

(idiomatic) By coincidence, incidentally

Worrying is not necessary, since it is common to make this mistake or for this to occur.

Expresses acceptance of whatever happens in the future.

Capable of happening.

(intransitive) To occur or take place. / (transitive, archaic) To happen to; to befall. / (intransitive or impersonal, with infinitive) To do or occur by chance or unexpectedly.

(obsolete or dialect) maybe, perhaps.

Something that happens. / A spontaneous or improvised event, especially one that involves audience participation.

present participle of happen

(slang, of a place) Busy, lively; vibrant, dynamic; fashionable. / (slang, of a person or product) Trendy, up-to-the-minute.