interaction
noun
[ ɪntərˈakʃ(ə)n ]
• reciprocal action or influence.
• "ongoing interaction between the two languages"
Similar:
interplay,
interchange,
interactivity,
interconnection,
interlinkage,
reciprocation,
reciprocity,
exchange,
reaction,
relationship,
relation,
relatedness,
interrelation,
interrelationship,
interrelatedness,
interdependence,
association,
link,
correspondence,