modernity, the self-definition of a generation about its own technological innovation, governance, and socioeconomics. To participate in modernity was to conceive of one's society as engaging in organizational and knowledge advances that make one's immediate predecessors appear antiquated or, at least, surpassed

In engineering, etc, these days, it usually refers to the idea that a single solution works for all people / use cases. Kubernetes proponents are a great example of current day modernists.