al·che·my
noun
the medieval forerunner of chemistry, based on the supposed transformation of matter. It was concerned particularly with attempts to convert base metals into gold or to find a universal elixir.
ˈalkəmē/
a seemingly magical process of transformation, creation, or combination.
"finding the person who's right for you requires a very subtle alchemy"
Alchemy (REFERENCE PAGE ON en.wikipedia.org)