Precisianism

Precisianism is an old word associated with the Puritans which gets at the active, pracical approach that the Work so mirrors in its own way.

Here's something from an article on Herman Witsius:

Witsius’s work on covenant theology became a standard work in the Netherlands, Scotland, England, and New England. Throughout this work, he stressed that the motto “the Reformed church needs to be ever reforming” (ecclesia reformata, semper reformanda) should be applied to the church’s life and not to doctrine since Reformation doctrine was foundational truth. His stress was on experiencing the reality of the covenant with God by faith and on the need for godly, precise living—often called “precisianism” somewhat pejoratively by many historians. Few realize, however, that precisianism avoids the medieval ideal of perfection and the pharisaical ideal of legalism. Witsius’s emphasis on precise living is characterized by the following:

Precisianism emphasizes what God’s law emphasizes; the law serves as its standard of holiness.
Precisianism is accompanied by spiritual liberty, rooted in the love of Christ.
Precisianism treats others mildly but is strict toward one’s self.
Precisianism focuses primarily on heart motivations and only secondarily on outward actions.
Precisianism humbles the godly, even as they increase in holiness.
Precisianism’s goal is God’s glory.

For Witsius precisianism was essentially the practice of experiential piety, for its core was hidden, heartfelt communion with the faithful covenant-keeping God. In Witsius we have theology that is pious in itself rather than theology to which piety is added.