1. (n.) The act of predisposing, or the state of being predisposed; previous inclination, tendency, or propensity; predilection; -- applied to the mind; as, a predisposition to anger.

2. (n.) Previous fitness or adaptation to any change, impression, or purpose; susceptibility; -- applied to material things; as, the predisposition of the body to disease.

a thing for affinity animus aptitude aptness bag bent bias cast character chosen kind conatus conduciveness constitution cup of tea delight diathesis disposition druthers eagerness eccentricity fancy favor feeling for forejudgment grain idiosyncrasy inclination inclining individualism kidney leaning liability liking make makeup mental set mettle mind mind-set mold nature parti pris partiality particular choice penchant personal choice preapprehension preconception preconclusion preconsideration predecision predetermination predilection preference prejudgment prejudication prejudice premature judgment prenotion prepossession presumption presupposal presupposition presurmise probability proclivity proneness propensity readiness sensitivity to set slant soft spot stamp strain streak stripe style susceptibility taste temper temperament tendency thing tropism turn turn of mind twist type warp weakness willingness