Cromwellian
[ krom-wel-ee-uh n, kruhm- ]
/ krɒmˈwɛl i ən, krʌm- /
adjective
of, relating to, or characteristic of the politics, practices, etc., of Oliver Cromwell or of the Commonwealth and Protectorate.
noting or pertaining to a style of English furnishings of the middle 17th century, characterized by austerity, the use of oak and leather, and simple, decorative moldings.