To make an addition. To add to, to augment; to increase; as, it adds to our anxiety. To perform the arithmetical operation of addition; as, he adds rapidly. To give by way of increased possession (to anyone); to bestow To join or unite, as one thing to another, or as several particulars, so as to increase the number, augment the quantity, enlarge the magnitude, or so as to form into one aggregate. Hence: To sum up; to put together mentally; as, to add numbers; to add up a column. To append, as a statement; to say further.
Syn. - To Add, Join, Annex, Unite, Coalesce. We add by bringing things together so as to form a whole. We join by putting one thing to another in close or continuous connection. We annex by attaching some adjunct to a larger body. We unite by bringing things together so that their parts adhere or intermingle. Things coalesce by coming together or mingling so as to form one organization. To add quantities; to join houses; to annex territory; to unite kingdoms; to make parties coalesce.