"wherefore" is a correct and usable word in written English.
It is used to mean "for what reason" or "why." Example sentence: "Wherefore has she left so soon?".
I see that it will never be better as long as they have letters and stamps, wherefore you were best to buy the stamps too, and so you shall be sure".
Wherefore do the wicked prosper?Which of those is the odd one out?
Juliet's musing on the balcony— O Romeo, Romeo, wherefore art thou Romeo?
If I cannot find money before this feast of Easter, the church door will be shut in my face; wherefore grant my supplication.
Wherefore lest production cease from lack of material, we beg your paternity to send us by the bearer, B., money for buying parchment, ink, a desk, and other things which we need, in sufficient amount that we may suffer no want on your account (God forbid!) but finish our studies and return home with honour.
Wherefore I respectfully beg your paternity that by the promptings of divine pity you may assist me, so that I may be able to complete what I have well begun.
The student has need of many things if he will profit here; his father and his kin must supply him freely so that he will not be compelled to pawn his book, but will have ready money in his purse, with gowns and and furs and decent clothing; or he will be damned for a beggar; wherefore, that men may not take me for a beast, I ask of you greetings and money.
"I have of late – but wherefore I know not – lost all my mirth," says Hamlet, an expression of low spirits which wouldn't rase a blip on the n-gram screen if you're looking for the word sad, but then if you're looking for the word mirth you might think you've hit pay dirt, no matter that Hamlet is complaining that he's lost his.
Visit Juliet's balcony, the re-imagined setting for the words: "O Romeo, Romeo, wherefore art thou Romeo?", the church where the star-crossed lovers married and more.
Hook, line, and sinker; never mind the why or wherefore; somewhere in the night; love me forever, or at least until next week.
Per Clayton Deutsch's contribution, the correct response to the question "Romeo, Romeo wherefore art thou Romeo?" is the American clothing chain, "Forever 21".
