The Collaborative International Dictionary of English v.0.48:

Evangelistic \E*van`gel*is"tic\, a.
   Pertaining to the four evangelists; designed or fitted to
   evangelize; evangelical; as, evangelistic efforts.
   [1913 Webster]

WordNet (r) 3.0 (2006):

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, evangelistic]

Moby Thesaurus II by Grady Ward, 1.0:

39 Moby Thesaurus words for "evangelistic":
   Biblical, Gospel, Mosaic, New-Testament, Old-Testament, abbatial,
   abbatical, apocalyptic, apostolic, archiepiscopal, canonical,
   capitular, capitulary, churchly, clerical, ecclesiastic, episcopal,
   episcopalian, evangelic, gospel, inspired, ministerial, missionary,
   pastoral, prelatial, prelatic, priest-ridden, priestish, priestly,
   prophetic, rabbinic, revealed, revelational, sacerdotal,
   scriptural, textual, textuary, theopneustic, ultramontane