1. The combination of ideas or elements into something new: "Bert produced a vocabulary list that was a synthesis of words and images."
2. The process of producing a chemical compound; usually by the union of simpler chemical compounds: "Plants have syntheses of light, carbon dioxide, and water that produce food."
3. Reasoning from the general to the particular; or from cause to effect.
4. A new unified whole resulting from the combination of different ideas, influences, or objects: "The lexicographer confirmed that his entries were syntheses of research and observations plus a desire to show the words in action."
5. The process of combining different ideas, influences, or objects into a new concepts.
6. The formation of compounds through one or more chemical reactions with simpler substances.
7. The production of music or speech using an electronic instrument.
8. In Hegelian philosophy, a new idea that resolves the conflict between the initial proposition thesis and its negative elements.