add -- (make an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of; "We added two students to that dorm room"; "She added a personal note to her letter"; "Add insult to injury"; "Add some extra plates to the dinner table")
add, append, supply -- (state or say further; "`It doesn't matter,' he supplied")
lend, impart, bestow, contribute, add, bring -- (bestow a quality on; "Her presence lends a certain cachet to the company"; "The music added a lot to the play"; "She brings a special atmosphere to our meetings"; "This adds a light note to the program")
add, add together -- (make an addition by combining numbers; "Add 27 and 49, please!")