/ˌrɛfəˈmeɪʃən/
[noun] The act of making important changes to something in order to improve it, or the result of such changes. It can refer to personal improvement or to large-scale changes in society, politics, or religion.
The word 'reformation' shares its bones with 'form', meaning shape — so to reform something is literally to reshape it from scratch.
At the heart of 'reformation' lies the Latin word 'forma', meaning shape or appearance. The Romans built the verb 'formare' from this — to shape, to mould, to give something its form. Add the prefix 're-', meaning again or back, and you get 'reformare': to shape again, to remake. From 'reformare' came the noun 'reformatio', meaning the act of reshaping or restoring something to a better condition. This is the direct ancestor of our English word, arriving through the well-worn path of Old French 'reformation' before settling into Middle English in the 14th century.
In its earliest English uses, 'reformation' was a relatively quiet, practical word. It described the correction of faults — in a person's behaviour, in a legal document, or in a town's administration. The idea was simple: something had gone wrong or grown crooked, and it needed to be straightened out. The word carried a sense of return as much as of progress, as if the original perfect shape had been lost and now needed to be recovered. This backward-looking quality is crucial: early 'reformation' was not about inventing something new, but about restoring something old and good.
The word was transformed forever by the events of the 16th century. When Martin Luther nailed his Ninety-Five Theses to a church door in Wittenberg in 1517, he ignited a movement that would become known as the Protestant Reformation — a sweeping challenge to the authority and practices of the Roman Catholic Church. Suddenly, 'reformation' was no longer a modest administrative term. It became a battle cry, a vision, a historical force. Writers and preachers capitalised the word, giving it the weight of a proper name. 'The Reformation' entered the language as a specific, titanic event, and from that moment the word carried enormous religious and political charge.
Interestingly, the Latin root 'reformare' also gave English several close relatives. Latin 'formare' → Old French 'former' → English 'form'; Latin 'reformare' → Old French 'reformer' → English 'reform'; and the same Latin line produced 'formal', 'formula', 'uniform', and 'conform', all built on the idea of shape and structure. To 'conform' is to shape yourself with others; to be 'uniform' is to share one shape; a 'formula' was originally a small, set form of words. All of these words are cousins of 'reformation', bound together by their shared Latin ancestor.
Over the centuries, 'reformation' has broadened and softened again from its stormy 16th-century peak. Today it can describe the rehabilitation of a criminal, the restructuring of a school system, or the personal decision to live more healthily. Governments speak of economic reformation; sports coaches speak of reforming a team's playing style. Yet whenever the word is used, that ancient meaning lingers just beneath the surface — the idea that something once had a better shape, that time or error has bent it out of true, and that human effort can press it back into something worthy and whole.