Main entry: encroachment, impact, impingement
Definition: influencing strongly
Usage: they resented the impingement of American values on European culture
Definition: the violent interaction of individuals or groups entering into combat
Usage: the armies met in the shock of battle
Main entry: impact
Definition: the striking of one body against another
Definition: a forceful consequence; a strong effect
Usage: the book had an important impact on my thinking; the book packs a wallop
Main entry: touch, touch on, impact, affect, bear on, bear upon
Definition: have an effect upon
Usage: Will the new rules affect me?
Main entry: impact
Definition: press or wedge together; pack together