make an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of

the act of combining things to form a new whole

the act of arranging elements into specified groups without regard to order

an occurrence that results in things being united

a collection of things that have been combined; an assemblage of separate parts or qualities

make into a total

to combine or put together again

combine (electronic signals)

combine so as to form a more complex, product