(a.) Relating to definition; of the nature of a definition; employed in defining.

advantageous aidful beneficial causative conducive construable constructional contributory creative deduced definitional demiurgic derived descriptive diagnostic exegetic formative furthersome generative good for helpful hermeneutic implicit inferential inferred interpretable interpretational interpretive inventive originative positive practicable practical productive profitable ratiocinative remedial renderable salutary semeiological serviceable symptomatological therapeutic tropological useful virtual