contribute in WordNet English dictionary

1. 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"
   lend  impart  bestow  contribute  add  bring 
   
2. contribute to some cause
   "I gave at the office"
   contribute  give  chip in  kick in 
   
3. be conducive to
   "The use of computers in the classroom lead to better writing"
   contribute  lead  conduce 
   
4. provide
   "The city has to put up half the required amount"
   put up  contribute