pro·cliv·i·ty 
/proʊˈklɪvəti/ noun
plural pro·cliv·i·ties /proʊˈklɪvəti/ noun [count] formal : a strong natural liking for something that is usually bad : a tendency to do something that is usually bad — usually singular ▪ Why do some people have a proclivity for violence? [=why are some people violent?] ▪ She has a proclivity [=tendency] to assume the worst. ▪ He shows no proclivity towards aggression. [=he is not aggressive]
