INTERACTIVELY
Scrabble letter values: I1N1T1E1R1A1C3T1I1V4E1L1Y4 = 21
Definition
INTERACTIVELY is the adverb form of INTERACTIVE.
adjective INTERACTIVE: used especially of drugs or muscles that work together so the total effect is greater than the sum of the two (or more).
Synonyms of INTERACTIVE: synergistic