"make him welcome" is correct and usable in written English.
It is used to express inviting someone warmly or kindly, usually to a place or event. For example, "We were delighted to have our new neighbor move in and we wanted to make him welcome, so we invited him to our weekly barbeque."
And before he arrived I did a few things to make him welcome.
But then, part of Paul's appeal is his dual identity: the political iconoclast is also a seventy-six-year-old doctor from Texas who has, after a brief dalliance with the Libertarian Party, found a home within a political party that has done little to make him welcome.
Froben recognized Erasmus' importance and went out of his way to make him welcome.
In 1972 it canceled advertising on 1,000 billboards in 36 states as part of an effort to help preserve "America's natural beauty". Meanwhile, Bradshaw took public positions that did not always make him welcome at industry gatherings.
The prestige of Dunsany's title and his occasional offers of cash to support literary projects certainly helped make him welcome, but his work was genuinely admired as well.
Conradin fled first to Rome, where the pro-papist Welfs, who had gained power, did not make him welcome, and then to Astura, whence he hoped to sail to Sicily.
Until now, he has barred Yasir Arafat, the Palestinian leader, from the White House, where President Clinton had made him welcome.
The feat made him welcome not only in Nixon's White House but in Kennebunkport, Maine, in the high Episcopal home of George H. W. Bush.
She had supplied Hitler with writing paper when he was imprisoned after the Munich putsch in 1923; in his glory days she made him welcome at Bayreuth and encouraged her children to frolic with him in the garden at Wahnfried, the family home.
His interests shifted to foreign affairs -- perhaps because the charges of racism left him no audience for domestic policy, and made him welcome an appointment as ambassador to India, where he negotiated a deal to end India's huge food aid debt to the United States.
White told the commission of the discrimination he had faced when he first tried to return to school, but how education about the disease had made him welcome in the town of Cicero.
