Independent court analysts, however, predict Kavanaugh is likely to concur with more conservative interpretations of the law, giving a solid 5-4 ideological edge on the court to those who lean to the right.
Kavanaugh will be closely scrutinized from his first day on the bench.
One guy's a college sports fanatic who loves beer and football, the other is an average guy from Kentucky who saw his twitter mobbed with interest in recent weeks, prompting him to declare "this is a bad time to be named Brett Kavanagh".
His nomination had appeared safe until Ford last month went public with allegations that Kavanaugh sexually assaulted her in 1982 when they were high school students in Maryland. Jackson also worked for Kavanaugh on the appeals court.
At times he cried, at other times he shouted, leading many to wonder whether - regardless of whether Dr Ford's claim was true - he lacked the temperament for a lifetime appointment in the US's most powerful court.
The tenure of Justice Brett Kavanaugh is officially underway as of today, and a number of his allies are noting that's he's already making a mark on the professional culture of the high court. Conservative Justice Neil Gorsuch joined the court previous year. "But the Senate having failed to do its proper, constitutionally mandated job of advise and consent, we are going to have to do something to provide a check and balance, to protect the rule of law and to protect the legitimacy of one of our most important institutions". And all Curtis Johnson seemed to hold was that that was excluded.
"What was done last night in the White House was a political rather".
Retired Justice Anthony M. Kennedy sat in the courtroom watching his replacement. He ended up asking questions of lawyers on both sides during two cases argued before the justices.
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But she refused to rule it out, adding: 'The resilience and ingenuity of the British people would see us through'. It was a self-deprecating dig at the ribbing she got for her robotic dancing during a visit to Africa.
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It's still early in the season, but City will likely feel this was dropped points against a key Premier League rival. Reflecting on the match as a whole, Van Dijk continued: "Their defence did well.
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Please, please educate yourself on the candidates running in your state and vote based on who most closely represents your values. A special tribute to Aretha Franklin is included, as is some early promotion for the upcoming Queen biopic Bohemian Rhapsody .
Democrats, Trump said, "tortured him (Kavanaugh) and his family". He has also been preparing for arguments this week. Police barricades are up in front of the court, but the few protesters on hand are congregating near the garage where the justices enter.
Last week, the Federal Bureau of Investigation completed a report on sexual misconduct allegations against Mr Kavanaugh - but the findings have not been released to the public.
Chief Justice John Roberts formally welcomed Kavanaugh, 53, to a court that now has five conservative members and four liberals.
The judge was confirmed by the Senate on Saturday, in a 50-48 vote that largely followed party lines.
He told an audience that included the entire Supreme Court and a Who´s Who of Republican movers and shakers that he had "no bitterness" and would never bring politics into the top court.
"A man or a woman must always be presumed innocent, unless or until proven guilty", the president added, to applause in the White House East Room.
On Monday evening, Mr Trump will host another swearing-in ceremony for him at the White House.
New US Supreme Court Justice Brett Kavanaugh dove into his new job on Tuesday, shrugging off the controversy over his nomination and firing off a handful of questions at his first hearing, a case on prison reform.