add

verb

1.
make an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of
Antonym:
take away
By means of:
addition
2.
state or say further
3.
bestow a quality on
Derived from:
addition
By means of:
addition
4.
make an addition by combining numbers
See also:
add up
Agent:
adder
Antonym:
subtract
By means of:
addition
6.
constitute an addition
Derived from:
additive