Modification

Noun

1. The act of assessing and prescribing a payment, penalty, price, valuation, etc. .mw-parser-output .defdate{font-size:smaller}
2. The form of existence belonging to a particular object, entity etc.; a mode of being.
3. The change undergone by a word when used in a construction.
4. The result of modifying something; a new or changed form.
5. The act of making a change to something while keeping its essential character intact; an alteration or adjustment.

   "behavior modification officer"