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"
make an addition by combining numbers; "Add 27 and 49, please!"
state or say further; "`It doesn't matter,' he supplied"
constitute an addition; "This paper will add to her reputation"
come up with; "His colleagues worked out his interesting idea"; "We worked up an ad for our client"
be calculated; "The fees work out to less than $1,000"
happen in a certain way, leading to, producing, or resulting in a certain outcome, often well; "Things worked out in an interesting way"; "Not everything worked out in the end and we were disappointed"