"seated him" is a correct and commonly used phrase in written English.
It means to place or position someone in a seat or chair. Example: The usher politely showed us to our seats and then seated him in the front row.
"It was lunchtime, and I greeted him at the door and seated him". She didn't recognize him for a few minutes, and when she asked him if he was Huell Howser, he motioned her to keep it quiet while he was there.
Organizers seated him next to the world's most powerful man — for two hours.
The restaurant believes it has seated him; he must be getting awfully hungry.
But the Senate Democrats reversed gear and seated him on Thursday anyway.
Berman invited Fife into his living room, seated him on a couch, and asked him to demonstrate his loyalty.
They had a lunch for the speakers at a fancy restaurant right near the Royal Society, and they seated him next to me.
A year later, another quarrel erupted when an Israeli official humiliated the Turkish ambassador by seating him on a lower chair and dressing him down in front of TV cameras.
He said that this victory, which seats him at history's table alongside Jim Clark and Graham Hill as a double world champion, meant more than his first in 2008.
"We have two-thirds of Nirvana," Doug reported to his father excitedly, "because Krist Novoselic is coming, and we're seating him with Dave Grohl".
Almost once a week, their fourth-grade teacher would punish the talkative Rubio by seating him beside her and requiring that he copy definitions from the dictionary.
Seated with him was a rabbi who never attended college.
