[1] : The Collaborative International Dictionary of English v.0.48

impact \impact"\, v. t. imp.  p. p. impacted; p. pr.  vb.
   n. impacting. l. impactus, p. p. of impingere to push,
   strike against. see impinge.
   1. to drive close; to press firmly together: to wedge into a
      place. --woodward.
      1913 webster

   2. to affect or influence, especially in a significant or
      undesirable manner; as, budget cuts impacted the entire
      research program; the fish populations were adversely
      impacted by pollution.
      pjc

   3. to collide forcefully with; to strike.
      pjc
see also:
impacted impacting impinge 

Impacting >> I Words
Impacting, definition of term: Impacting
impacting_pag1.html