Wordnet 3.0
ADVERB (1)
1. 
 prior to the present time; 
- Example: "no suspect has been found to date"[syn: up to now, to date]
WordNet (r) 3.0 (2006):
to date
    adv 1: prior to the present time; "no suspect has been found to
           date" [syn: up to now, to date]