Answer: interaction

AnswerCrossword Clue
INTERACTIONExchange of ideas
INTERACTIONBury + deed
INTERACTIONTeamwork
interactionA particular way in which matter, fields, and atomic and subatomic particles affect one another, e.g., through gravitation or electromagnetism
interactionmutual or reciprocal action or influence
interactionReciprocal action or influence