The phrase "allow them to settle" is correct and usable in written English.
You can use it when referring to giving someone or something the time or opportunity to become established or to adjust to a situation.
Example: "After moving to a new city, it took a few weeks for the family to allow themselves to settle into their new home."
Alternatives: "let them adjust" or "give them time to acclimate."
People, being people, need political structures that allow them to settle disputes without violence.
But hosts are increasingly unfriendly to refugees, and ever more unwilling to allow them to settle permanently.
Sri Lanka does not allow them to settle, but the process often takes up to two years.
Liverpool must reassert their control, keep the ball, start passing out of defence - but Arsenal will not allow them to settle.
Last summer, the Gurkha community celebrated a David and Goliath victory when, led by the actress turned goddess Joanna Lumley, they forced the Government to make a U-turn and to allow them to settle in the country they served.
Though the government has issued temporary permits allowing many to stay for years, no Turkish Kurd has ever been granted refugee status in Japan, which would allow them to settle here permanently.
Constantine IX allowed them to settle south of the river, where their numbers and their ambitions increased.
These countries are not allowing them to settle, get permanent residence, citizenship and then become active citizens.
In exchange, he allowed them to settle in at Luanda (a Kongo territory) and create the Portuguese colony that became Angola.
"We have allowed them to settle in to their own communities and they have no desire to mix, they would rather take over areas and breed like rabbits," he said, according to a report in the Manchester Evening News.
Some early entrants onto the scene, like the Treats Truck and Wafels & Dinges, spent months cultivating spots and relationships, which allowed them to settle into areas that were previously unoccupied.
