The phrase 'peaceful relationship' is correct, and is commonly used in written English.
For example, you might use the phrase "the two nations had been able to maintain a peaceful relationship for more than three decades" to describe a period of peaceful relations between two countries.
This will bring peace to Golan Heights, and bring more peaceful relationship between Syria and Israel, and also to provide security of the state of Israel.
Theirs is not a peaceful relationship.
I, a little younger and a little wiser, had a more peaceful relationship with the house.
It also complicated the emperor's peaceful relationship with the Turkish sultan of Rūm.
Never before have North and South Korea come this close to a normal, peaceful relationship.
"If Iran makes the right choice, America will encourage a peaceful relationship between Iran and Iraq," he said.
Who can argue against honouring culture, creating peaceful relationships, and ensuring our waters are clean?
How would they interact with each other?" Children can learn, by watching scenarios of conflicts they aren't involved in, that forgiveness leads to peaceful relationships and happiness.
Individuals form intricate social networks and have a large repertoire of behavior patterns that help them get along with one another and maintain close and generally peaceful relationships.
Stringer said scientists cannot say whether the sex took place in peaceful relationships, or whether the groups stole each other's women, or whether abandoned or orphaned babies from one group were adopted by the other.
Researchers speculate that, because imitation seems to foster friendship in humans, it helps maintain the peaceful relationships that have been essential to the success of our species.
