noun (n)

• the process of producing a chemical compound (usually by the union of simpler chemical compounds)(noun.process)

  source: wordnet30
• the combination of ideas into a complex whole(noun.cognition)

  Synonym:
  synthetic thinking
  Antonym:
  analysis, analytic thinking
  

  source: wordnet30
• reasoning from the general to the particular (or from cause to effect)(noun.cognition)

  Synonym:
  deduction, deductive reasoning
  

  source: wordnet30
• Composition, or the putting of two or more things together, as in compounding medicines.(noun)

  source: webster1913