contribution

contribution (http://definr.com/contribution)

     n 1: any one of a number of individual efforts in a common
          endeavor: "I am proud of my contribution to the team's
          success"; "they all did their share of the work" [syn: part,
           share]
     2: a voluntary gift (as of money or service or ideas) made to
        some worthwhile cause [syn: donation]
     3: act of giving in common with others for a common purpose
        especially to a charity [syn: donation]
     4: an amount of money contributed; "he expected his
        contribution to be repaid with interest"
     5: a writing for publication especially one of a collection of
        writings as an article or story