verb

take place; occur.

two hours had passed and still nothing had happened

occur,take place,come about,come off,come into being,ensue,result,transpire,materialize,arise,be,crop up,come up,fall out,pan out,turn out,follow,develop,emerge,surface,present itself,supervene,go down,come to pass,betide,chance,eventuate,hap

adverb

perhaps; maybe.

happen I’ll go back just for a while