turn up in WordNet English dictionary

1. appear or become visible; make a showing
   "She turned up at the funeral"; "I hope the list key is going to surface again"
   come on  come out  turn up  surface  show up 
   
2. find by digging in the ground
   "I dug up an old box in the garden"
   excavate  dig up  turn up 
   
3. bend or lay so that one part covers the other
   "fold up the newspaper"; "turn up your collar"
   fold  fold up  turn up 
   
4. discover the location of; determine the place of; find by searching or examining
   "Can you locate your cousins in the Midwest?"; "My search turned up nothing"
   locate  turn up 
   
5. be shown or be found to be
   "She proved to be right"; "The medicine turned out to save her life"; "She turned up HIV positive"
   prove  turn out  turn up 
   

turn up in English Wiktionary