Source : Webster's Revised Unabridged Dictionary (1913)

Deductive \De*duct"ive\, a. [Cf. L. deductivus derivative.]
   Of or pertaining to deduction; capable of being deduced from
   premises; deducible.

         All knowledge of causes is deductive.    --Glanvill.

         Notions and ideas . . . used in a deductive process.
                                                  --Whewell.

Source : WordNet®

deductive
     adj 1: relating to logical deduction; "deductive reasoning"
     2: involving inferences from general principles [ant: {inductive}]