Wordnet 3.0
ADVERB (1)
1. 
 in reality or actuality; 
- Example: "in fact, it was a wonder anyone survived"- Example: "painters who are in fact anything but unsophisticated"- Example: "as a matter of fact, he is several inches taller than his father"[syn: in fact, in point of fact, as a matter of fact]
WordNet (r) 3.0 (2006):
as a matter of fact
    adv 1: in reality or actuality; "in fact, it was a wonder anyone
           survived"; "painters who are in fact anything but
           unsophisticated"; "as a matter of fact, he is several
           inches taller than his father" [syn: in fact, in point
           of fact, as a matter of fact]