changed in order to improve or made more fit for a particular purpose

Relating to or exhibiting adaptation, Readily capable of adapting or of being adapted

to join or unite so as to increase in size, quantity, quality, or scope, make an addition by combining numbers

being in addition [to something else

Physiological or psychological dependence, as on a substance, An instance of this, an abnormally strong craving

Present participle of add

Any of certain analogous operations involving mathematical objects other than numbers, The process of adding or joining something to something else, typically to make it larger, a quantity that is added

Something added; an addition, adjective_ Added; supplemental; in the way of an addition

By way of addition

To speak to, To mark with a destination, noun_ A description of the location of a person or organization, as written or printed on mail as directions for delivery