propensenesse noun2 •(no longer used) Inclination; propensity; tendency.There is a propensnesse to diseases in the body. — 1624 •(no longer used) Intention; premeditation.They must needs look upon the King of England, as the spring & source, of all that calamity they feel, or feare, and perceive his propensnesse, to ruine them. — 1672