President Donald Trump apologized on national TV to Brett Kavanaugh for the "pain and suffering" to which he was subjected during his Supreme Court confirmation hearing, declaring on national TV that Kavanaugh had been "found innocent".
Trump reminded the audience that "after historic scrutiny", Mr Kavanaugh was proven innocent.
Ceremonial swearing-ins are unusual for new justices.
The latest justice to join the bench, Neil Gorsuch, spoke past year during his swearing-in at the White House Rose Garden.
Media captionTrump: "The main base of the Democrats have shifted so far left we'll end up being Venezuela".
The climactic 50-48 roll call vote Saturday on Kavanaugh was the closest vote to confirm a justice since 1881.
Trump's ceremony speech hammered a theme he has been hitting on all week: hoping to energize Republicans by attacking Democrats for opposing Kavanaugh. Protesters, a lot of them women, flooded the U.S. Capitol on Saturday ahead of the Senate's confirmation vote. "I'm proud that all four of my newly hired law clerks at the Supreme Court are women".
Chicago Officer Jason Van Dyke Found Guilty in Murder of LaQuan McDonald
The jury had eight men and four women, of those, seven were white, three Hispanic, one Asian-American and one African-American. Van Dyke also was found guilty of all 16 counts of aggravated battery for shooting McDonald 16 times October 20, 2014.
Democrats fought tooth and nail to stop MrKavanaugh's candidacy, claiming that the accomplished, conservative-minded judge was not suited to the Supreme Court, which will now tilt decisively to a more Republican-friendly panel.
Who wants Mr Kavanaugh impeached?
"It was all made up, it was fabricated and it's a disgrace", he said.
Earlier on Monday he said "evil people" had brought up the allegations, even though it was unclear if he was referring to the accusers, their lawyers or Democratic lawmakers.
"When I decided on Brett, I said he's flawless", Trump told the annual convention of the International Association of Chiefs of Police in Orlando, Florida. "Pursuant with the data practices act, we are limited to providing additional information regarding this matter", Zuzek said in a statement.
Since justices serve lifetime appointments, the political consequences are likely to last long beyond Trump's administration.
McConnell signaled he's willing to take up another high court nomination in the 2020 presidential election season should another vacancy arise.
"It was very, very unfair what happened to him", the president said.