"establish credentials" is a correct and usable phrase in written English.
The phrase is used to describe a process of demonstrating a person's qualification or authority to do something. For example, "Before becoming an accountant, Robert had to establish credentials and pass a series of tests."
How can they when it's never on air to establish credentials or tone?
Clarke reminds us that Descartes's philosophical works were intended to establish credentials for his system of nature, and to make it theologically acceptable.
These days, it is hard to take a step without bumping into a candidate delivering a major policy address and seeking to establish credentials on the big issues.
In addition, some United States officials have suggested that North Korea may be engaged in a new wave of aggression as its leader, Kim Jong-il, tries to establish credentials for his youngest son as a possible successor.
But he added that they could deflect any conservative challenge in her Congressional campaign, a problem she has faced in the past, while helping the G.O.P. establish credentials with suburban women.
Usually reliable intelligence sources note that the inexperienced Bashar, eager to establish credentials in the Arab world as a militant enemy of Israel, gave his approval to the kidnap plan.
In order to re-establish credentials in the WTO, the UK needs the approval of 164 members from Afghanistan to Zimbabwe.
If they had been waiting since then to re-establish credentials at this elite level, last season's toils in the group section having damaged their reputation, then this resounding victory in the Ruhr valley will serve as a statement of renewed intent.
President Vladimir V. Putin, a former K.G.B. spy, has established credentials as a market reformer.
And, in serving as a U.S. senator and as Secretary of State, Hillary Clinton has established credentials independent of her husband's time in office.
I am so different!" Ms. Ishihara's New York sojourn has included learning to surf on the Jersey Shore, studying English and establishing credentials for her career.
