The phrase "a progressive basis" is correct and usable in written English.
It can be used to describe a method or approach that is gradually advancing or evolving over time.
Example: "The project will be developed on a progressive basis, allowing for adjustments and improvements as we gather feedback."
Alternatives: "an incremental approach" or "a gradual foundation".
I will be standing for the presidency of the European commission on behalf of the European Left party, and that decision is motivated by our desire to reunite Europe and rebuild it on a democratic and progressive basis.
The full implementation, on a progressive and irreversible basis by the two governments, especially the British government, of what they have agreed will provide a political context, in an enduring political process, with the potential to remove the causes of conflict, and in which Irish republicans and unionists can, as equals, pursue our respective political objectives peacefully.
A more clever, event-based algorithm is to build the efficiency regions in a progressive way on the basis of "critical instants" at which significant events may occur.
He said what was urgently needed was a revaluation of council tax for the first time since 1991, to create extra bands for the highest-value properties as the basis for a "progressive" tax on property.
Patriotic societies, organized with government encouragement from 1765 onward, were meant to provide the provincial basis for a progressive society and to familiarize Spaniards with European advances in technology and agriculture.
Constituent level stress/strain information forms the basis for a progressive failure algorithm that has successfully been used to predict coupon failure in a wide range of composite materials and laminate configurations.
He envisioned these groups, along with unions, forming the basis of a progressive movement for social justice.
This report examined temporal trends in waiting times on an annualized basis showing a progressive increase in need over time.
For instance, atherosclerosis, a progressive vascular disease with an underlying basis in genetics, can be aggravated by exposure to cigarette smoke and air pollutants such as particulate matter.
She hopes it'll be able to work with Labour on a case-by-case basis as part of a progressive alliance.
