ekistics
noun
ekis·tics i-ˈki-stiks 
plural in form but singular in construction
: a science dealing with human settlements and drawing on the research and experience of professionals in various fields (such as architecture, engineering, city planning, and sociology)
ekistic
i-ˈki-stik
adjective 
Word History
Etymology
Modern Greek oikistikē, from feminine of oikistikos of settlement, from Greek, from oikizein to settle, colonize, from oikos house — more at vicinity
First Known Use
1958, in the meaning defined above