1. transforming something common or base into something precious or valuable through a seemingly magical or mysterious process
Usage: British spelling (American: alchemizing); present participle of alchemise; often used figuratively
2. practicing alchemy; attempting to convert base metals into gold or to discover the elixir of life
Usage: historical or archaic usage; literal sense related to medieval alchemy

Examples

• The artist was alchemising ordinary materials into stunning sculptures.
• She had a gift for alchemising her painful experiences into powerful poetry.
• The chef was alchemising simple ingredients into an unforgettable meal.
• Medieval scholars spent years alchemising metals in their laboratories.
• The director was alchemising a forgotten story into a blockbuster film.
• He seemed to be alchemising his failures into wisdom and growth.