The phrase "able to maintain order" is correct and usable in written English.
You can use it in contexts where you are describing someone's capability to keep things organized or under control, such as in a leadership or management situation.
Example: "The manager was praised for being able to maintain order during the chaotic meeting."
Alternatives: "capable of keeping order" or "able to uphold order."
Addressing an audience at the Norwegian Nobel Institute, Mr. Scowcroft said it would be difficult to find moderate Iraqi nationals able to maintain order.
The American goal is to keep the pressure on and whittle down these fighters until a new Iraqi authority is able to maintain order.
The American goal appears to be to keep the pressure on and whittle down these fighters until a new Iraqi authority is able to maintain order.
The defense attorneys sharply disagreed among themselves, and neither they nor the prosecutors were confident that the judges would be able to maintain order.
During the 13th and 14th centuries (as long, that is, as the sultanate was able to maintain order in Egypt), trade was heavy with Mediterranean and Black sea ports and with India.
"The organisers claimed to be able to maintain order, but warned they could not be held responsible for any outbursts". The threat of an arrest warrant had not been a factor in the decision.
The court's view has evolved over the years, and the reasoning behind today's ruling all but restores the situation to what it was before 1985, with school officials able to conduct random searches of students to maintain order.
The technique is easy to implement, and is able to maintain the order of the original underlying spatial discretization.
In 542 Nabonidus returned to Babylonia, where his son had been able to maintain good order in external matters but had not overcome a growing internal opposition to his father.
Moreover, questions are swirling about the extent to which Greece's police force will be willing and able to maintain public order, because it is also facing salary cuts.
Brexit is another demonstration, if we needed more, that the big global institutions built in the wake of World War II are no longer able to maintain global order.
