interactive interactive /ˌɪnɝˈæktɪv/

adjective

1. Used especially of drugs or muscles that work together so the total effect is greater than the sum of the two (or more)  ( interactive , synergistic )
   used especially of drugs or muscles that work together so the total effect is greater than the sum of the two (or more)
   
2. Capable of acting on or influencing each other  ( interactional , interactive )
   capable of acting on or influencing each other