To combine different elements or components to form a coherent whole. The scientist synthesized various chemicals to create a new compound.
To produce sound electronically, especially music, by generating and combining signals of different frequencies. The musician synthesized a new track using a digital audio workstation.
To form a new idea or theory by combining different ideas, information, or concepts. The philosopher synthesized the ideas of several thinkers to develop his own theory.
To produce (a substance) artificially by means of chemical reactions. Researchers have synthesized a new polymer with remarkable strength.