hopeful in WordNet English dictionary

1. an ambitious and aspiring young person
   "a lofty aspirant"; "two executive hopefuls joined the firm"; "the audience was full of Madonna wannabes"
   aspirant  aspirer  hopeful  wannabe  wannabee 
   

1. full or promise
   "had a bright future in publishing"; "the scandal threatened an abrupt end to a promising political career"; "a hopeful new singer on Broadway"
   bright  hopeful  promising 
   
2. having or manifesting hope
   "a line of people hopeful of obtaining tickets"; "found a hopeful way of attacking the problem"
   hopeful