Wordnet 3.0
VERB (1)
1. 
 accumulate money for future use; 
- Example: "He saves half his salary"[syn: save, lay aside, save up]
WordNet (r) 3.0 (2006):
save up
    v 1: accumulate money for future use; "He saves half his salary"
         [syn: save, lay aside, save up]