De·duct'ive adjective [ Confer Latin 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.... Found on http://www.encyclo.co.uk/webster/D/20
deductive, deductively 1. Based on deduction from accepted premises; such as, a deductive argument or deductive reasoning. 2. Involving or using deduction in reasoning. Found on http://www.wordinfo.info/words/index/info/view_unit/2734/4