Source : Webster's Revised Unabridged Dictionary (1913)

De facto \De` fac"to\ [L.]
   Actually; in fact; in reality; as, a king de facto, --
   distinguished from a king de jure, or by right.

Facto \Fac"to\, adv. [L., ablative of factum deed, fact.] (Law)
   In fact; by the act or fact.

   {De facto}. (Law) See {De facto}.

Source : WordNet®

de facto
     adj : existing in fact whether with lawful authority or not; "de
           facto segregation is as real as segration imposed by
           law"; "a de facto state of war" [syn: {actual}, {factual}]
           [ant: {de jure}]
     adv : in reality or fact; "the result was, de facto, a one-party
           system"