Wordnet 3.0
VERB (1)
1. 
 authenticate as a notary; 
- Example: "We had to have the signature notarized"[syn: notarize, notarise]
WordNet (r) 3.0 (2006):
notarise
    v 1: authenticate as a notary; "We had to have the signature
         notarized" [syn: notarize, notarise]