term:

Predispose

predispose vt

-posed
-pos·ing
: to dispose or incline in advance
;specif
: to make ready and willing to commit a crime [have been predisposed to engage in criminal behavior "W. R. LaFave and J. H. Israel"] NOTE: Predisposition on the part of a defendant vitiates the defense of entrapment.
pre·dis·po·si·tion [prē-dis-pə-zi-shən]
n

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.