impact
noun
°The force or energy of a collision of two objects.
"The hatchet cut the wood on impact."
°A forced impinging.
"His spine had an impingement; L4 and L5 made impact, which caused numbness in his leg."
verb
°To compress; to compact; to press or pack together.
"If fecal incontinence is caused by impacted stool in the rectum, the impaction must be removed."
°To influence; to affect; to have an impact on.
"''I can make the changes, but it will impact the schedule."