The phrase "demonstrable commitment" is correct and can be used in written English.
You can use this phrase when you are talking about a commitment that can be visually or tangibly proven, rather than just words. For example: "This company has shown a demonstrable commitment to the environment through their sustainability initiatives."
Social work students should be admitted to degree courses on the basis of a transparent and demonstrable commitment to social justice.
A keen advocate for ensuring those with mental illness have access to the right services and benefit from equal life chances, Walker is throwing down the gauntlet to political parties to make a "demonstrable commitment" to mental health.
It added: "GST is a fair and developmental employer, with a strong record of internal promotion and a demonstrable commitment to the personal and career development of all our staff".
The workshops are being offered for free to 15 people selected on the basis of their "demonstrable commitment to community radio and creative ideas about how to use the medium".
In that case, too, the United States is most likely to gain Israel's cooperation by coupling a demonstrable commitment to the country's security with a clear, unambiguous and sustained articulation of American national interests.
To begin with, earning the ear (and goodwill) of regulators demands a demonstrable commitment to public safety.
Recruiters say candidates with a demonstrable long-term commitment to a country, and ready-made guanxi (business and political relationships), get preference.
But at the very least, armed with Pillay's demonstrable non-partisan commitment to human rights, the Security Council should mandate International Criminal Court investigations into crimes by both sides in Syria.
Other criteria include a commitment to teaching, demonstrable teaching skill, and leadership ability.
Well, admittedly, the Times said "demonstrable," not actually "demonstrated".
Despite demonstrable public support and apparent bipartisan political commitment we are still nowhere when it comes to recognising Indigenous people in the constitution.
