1) growing by being added to (accumulative)

2) something (omitted) in writing, a speech etc. that is to be added (addendum)

3) extra; added (additional)

4) a substance added in small amounts for a particular purpose (additive)

5) something added to, joining to, forming a part of, a larger thing (appendage)

6) as an added person or thing (besides)

7) (a layer of) material added to the inside of something (lining)

8) (of wine) heated with spices added (mulled)

9) (liking to have everything) in good order, done carefully; cleverly said or done; (of wines and spirits) without water etc added (neat)

10) the one, single, example; and no other; and nothing else or more; but it must me added that; (used to introduce a condition or reason) (only)