contribute (

     v 1: of a quality, as in: "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" [syn: lend, impart, bestow,
           add, bring]
     2: contribute to some cause; "I gave at the office" [syn: give,
         chip in, kick in]
     3: be conducive to; "The use of computers in the classroom lead
        to better writing" [syn: lead, conduce]
     4: provide; "The city has to put up half the required amount"
        [syn: put up]