The Collaborative International Dictionary of English v.0.48:

Hermeneutic \Her`me*neu"tic\, Hermeneutical \Her`me*neu"tic*al\,
   a. [Gr. ?, fr. ? to interpret: cf. F. herm['e]neutique.]
   Unfolding the signification; of or pertaining to
   interpretation; exegetical; explanatory; as, hermeneutic
   theology, or the art of expounding the Scriptures; a
   hermeneutic phrase.
   [1913 Webster]

WordNet (r) 3.0 (2006):

hermeneutic
    adj 1: interpretive or explanatory