fulfill in WordNet English dictionary

1. put in effect
   "carry out a task"; "execute the decision of the people"; "He actioned the operation"
   carry through  accomplish  execute  carry out  action  fulfill  fulfil 
   
2. fill or meet a want or need
   meet  satisfy  fill  fulfill  fulfil 
   
3. meet the requirements or expectations of
   satisfy  fulfill  fulfil  live up to