"reduce hostility" is correct and usable in written English.
You can use it in situations where you are trying to diminish or lessen aggression or antagonism between two or more parties. For example, "The two leaders agreed to take steps to reduce hostility between their nations."
In contrast with the violent revolutions of Lenin and Stalin, Khrushchev sought to reduce hostility between the Soviet Union and the West.
No less daunting will be the implementation of a plan to give delta communities a 10 percent stake in oil and gas investments and profit in their area to reduce hostility to oil companies.
A11 Kuwait Reconsiders Israel Kuwaiti newspapers in recent days have floated the idea that the country could take steps to reduce hostility toward Israel as a means of helping the Palestinians, prompting a quiet debate about the country's decades-old strategy of isolating Israel.
Prevention and treatment efforts designed to reduce hostility may help mitigate risk for accelerated cellular aging in this growing segment of the U.S. population.
Increasing familiarity and assimilation does markedly reduce hostility to "strange" out-groups -- it breeds knowledge, understanding, and tolerance.
While the German cardinal said the CDF has "tried to reduce hostility and tensions," he added that the Vatican wants to help the LCWR congregations "rediscover their identity" because he said the orders "have no more vocations and risk dying out".
The organization cites studies that it says found that large groups of yogic fliers helped temporarily lower crime in Washington, D.C., end the cold war and briefly reduce hostilities in the Middle East.
A U.S.- and Russian-brokered cease-fire that began Feb. 27 has helped reduce hostilities, but fierce fighting has continued in many areas, particularly around Aleppo.
The rumored Ho-Chunk attack on Fort Crawford never came, and so in October 1826, Colonel Snelling moved the garrison to Fort Snelling, where he hoped to reduce hostilities between the Dakotas (Sioux) and the Ojibwes (Chippewas).
If Lord McNally were to ensure that such laws existed, he would have a better chance of reducing hostility on the Island and he would put an end to the Sark Newsletter's campaign for laws to protect the victims of such abuse.
If a more or less symbolic concession to religious conservatives on a far less important controversy reduces hostility to the Obamacare contraceptive mandate, even just a little bit, then it may be well worth doing as a matter of women's reproductive health.I certainly don't know that this is Mr Obama's calculation, or that it's not a miscalculation.
