synergistic

Adjective

• working together; used especially of groups, as subsidiaries of a corporation, cooperating for an enhanced effect
  • a synergistic effect
    

• of or relating to the theological doctrine of synergism

• used especially of drugs or muscles that work together so the total effect is greater than the sum of the two (or more)

Related words

• Synonyms: 
  synergetic , interactive
• Antonyms: 
  antagonistic , incompatible