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Webster 1913 Edition
Propensity
Pro-pen′si-ty
,Noun.
pl.
Propensities
. The quality or state of being propense; natural inclination; disposition to do good or evil; bias; bent; tendency.
“A propensity to utter blasphemy.” Macaulay.
Syn. – Disposition; bias; inclination; proclivity; proneness; bent; tendency.