Source : Webster's Revised Unabridged Dictionary (1913)

Evangelistic \E*van`gel*is"tic\, a.
   Pertaining to the four evangelists; designed or fitted to
   evangelize; evangelical; as, evangelistic efforts.

Source : WordNet®

evangelistic
     adj 1: relating to or promoting the preaching and dissemination of
            the Christian gospel; "evangelistic fervor"; "the
            evangelistic concerns of the early church"
     2: marked by ardent or zealous enthusiasm for a cause [syn: {evangelical}]