Is it ensure, insure, or assure?
Imitative; copycat: Big companies brought out many me-too drugs and had to slim down (1940s+)
A functional language for executable specifications developed by Peter Henderson in 1984. It is like LispKit Lisp, but with sets, maps and sequences to describe the specification.
["Functional Programming, Formal Specification and Rapid Prototyping", IEEE Trans Soft Eng, SE-12(2):241-250 (Feb 1986)].