The phrase "assure one another" is correct and usable in written English.
It can be used when encouraging mutual confidence or reassurance between individuals.
Example: "In times of uncertainty, it's important to assure one another that we will get through this together."
Alternatives: "reassure each other" or "comfort one another."
Most of our conversations these days center on assuring one another we are going to be okay.
DETROIT — For all the ups and downs, and more downs, that white-collar workers here have lived through, they have always managed to put on a brave face, assuring one another that the American auto industry will come back stronger than ever.
As usual, the politicians and Sunday talk-show pundits had assured one another that the disclosure bill had no chance this year.
If one defines a right rather thinly as what one has whenever one has justifiable claims on others to assure one's possession of things or one's exercise of certain capacities, then one can plausibly argue that there is a common notion of rights between the Chinese and Western traditions (Wong, 2004).
In the Chuskas, they said, the most important beings are the bears — they rule the mountains, and certain rituals must be performed to assure one's welcome.
But all of them knew that a successful term at Marlboro can practically assure one's career.
"We are not stopping governmental services from coming in here," Lt. Matthew Schardt, the commander of First Platoon, Company B, sought to assure one distressed woman.
In anxiety, the familiar world that seemed to assure one's security suddenly breaks down, and in this world-collapse one finds that the significance of things is "completely lacking" (1962 [1927]: 186).
Four cell pools thus generated were analyzed by flow cytometry to identify those that had 5 20% of GFP positive cells (to assure one copy of integrated lentivirus genome per cell).
