letter of comfort

noun

1. comfort letter.

Example Sentences

Decommissioning was another stumbling block and in the early hours of Good Friday morning the then Prime Minister Tony Blair gave David Trimble a "letter of comfort" assuring him that he would continued to put pressure on republicans to deliver.

From BBC

The Palestinian Authority ratified the deal that month and says it is waiting for Israel, which is planning to swear in its next government, to send an official “letter of comfort” to officially greenlight the project.

From Washington Post

With Scotland in control of its own health care and policing — a system known as devolution — Mr. Krykant and other drug policy advocates argue that the Lord Advocate, Scotland’s chief public prosecutor, could provide legal cover in the form of a “letter of comfort” stating that drug consumption rooms could operate without fear of criminal prosecution.

From New York Times

The implication being, that if state media is telling them to, there is an implicit “letter of comfort,” that the Government has their back.

From The Guardian

In June that year, he said he received a “letter of comfort” from the regulator, assuring him he would be granted immunity from any prosecution.

From Reuters