Sentence:  The fact is, that since a good, sound, honest, efficient, automatic, nonmetallic currency and standard was tampered with in 1893, India has been a happy hunting-ground for any <WSD>empiric</WSD> who conjured with a new scheme of currency, no matter how fantastic. 
Meaning of the word marked with <WSD> tags:  Any unqualified or dishonest practitioner; a charlatan; a quack.