6. (Logic) A process of reasoning in which each conclusion applies to
just such an object as each of the premises applies to. Jevons.
Tra*duc"tive (?), a. Capable of being deduced; derivable. [R.] Bp.
Warburton.
Traf"fic (?), v. i. [imp. & p. p. Trafficked (?); p. pr. & vb. n.
Trafficking (?).] [F. trafiquer; cf. It. trafficare, Sp. traficar,
trafagar, Pg. traficar, trafegar, trafeguear, LL. traficare; of
uncertain origin, perhaps fr. L. trans across, over + -ficare to make
(see -fy, and cf. G. übermachen to transmit, send over, e. g., money,
wares); or cf. Pg. trasfegar to pour out from one vessel into another,
OPg. also, to traffic, perhaps fr. (assumed) LL. vicare to exchange,
from L. vicis change (cf. Vicar).] 1. To pass goods and commodities
from one person to another for an equivalent in goods or money; to buy
or sell goods; to barter; to trade.